diff --git a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-processor/pom.xml b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-processor/pom.xml
index fef9a4e..ca2edeb 100644
--- a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-processor/pom.xml
+++ b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-processor/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.3.3.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>io.spring.cloud.stream.sample</groupId>
diff --git a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/image-thumbnail-sink/pom.xml b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/image-thumbnail-sink/pom.xml
index e9b6c86..a450fff 100644
--- a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/image-thumbnail-sink/pom.xml
+++ b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/image-thumbnail-sink/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.3.3.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>io.spring.cloud.stream.sample</groupId>
@@ -15,7 +15,7 @@
 	<description>Thumbnail Sink Application</description>
 	<properties>
 		<java.version>8</java.version>
-		<spring-cloud.version>Hoxton.SR7</spring-cloud.version>
+		<spring-cloud.version>Hoxton.SR8</spring-cloud.version>
 		<docker.org>demo</docker.org>
 	</properties>
 	<dependencies>
diff --git a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-web/pom.xml b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-web/pom.xml
index 6c6e184..1954d78 100644
--- a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-web/pom.xml
+++ b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-web/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.3.2.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>io.spring.cloud.stream.sample</groupId>
diff --git a/kafka-e2e-kotlin-sample/customer-service/pom.xml b/kafka-e2e-kotlin-sample/customer-service/pom.xml
index fb7c423..cab3c09 100644
--- a/kafka-e2e-kotlin-sample/customer-service/pom.xml
+++ b/kafka-e2e-kotlin-sample/customer-service/pom.xml
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.2.6.RELEASE</version>
+        <version>2.3.4.RELEASE</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
 
diff --git a/kafka-e2e-kotlin-sample/order-service/pom.xml b/kafka-e2e-kotlin-sample/order-service/pom.xml
index 6641e5d..bb3a697 100644
--- a/kafka-e2e-kotlin-sample/order-service/pom.xml
+++ b/kafka-e2e-kotlin-sample/order-service/pom.xml
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.2.6.RELEASE</version>
+        <version>2.3.4.RELEASE</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
 
diff --git a/kafka-e2e-kotlin-sample/shipping-service/pom.xml b/kafka-e2e-kotlin-sample/shipping-service/pom.xml
index c795aba..7c5dcce 100644
--- a/kafka-e2e-kotlin-sample/shipping-service/pom.xml
+++ b/kafka-e2e-kotlin-sample/shipping-service/pom.xml
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.2.6.RELEASE</version>
+        <version>2.3.4.RELEASE</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
 
diff --git a/kafka-native-serialization/pom.xml b/kafka-native-serialization/pom.xml
index c512b14..e513cad 100644
--- a/kafka-native-serialization/pom.xml
+++ b/kafka-native-serialization/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.5.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>com.example</groupId>
@@ -16,7 +16,7 @@
 
 	<properties>
 		<java.version>1.8</java.version>
-		<spring-cloud-stream.version>Horsham.SR2</spring-cloud-stream.version>
+		<spring-cloud-stream.version>Horsham.BUILD-SNAPSHOT</spring-cloud-stream.version>
 	</properties>
 
 	<dependencies>
diff --git a/kafka-security-samples/kafka-ssl-demo/pom.xml b/kafka-security-samples/kafka-ssl-demo/pom.xml
index 9c08a64..8f86f40 100644
--- a/kafka-security-samples/kafka-ssl-demo/pom.xml
+++ b/kafka-security-samples/kafka-ssl-demo/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.3.3.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>kafka.ssl.demo</groupId>
@@ -15,7 +15,6 @@
 	<description>Demo project for Spring Boot</description>
 
 	<properties>
-		<java.version>11</java.version>
 		<spring-cloud.version>Hoxton.SR8</spring-cloud.version>
 	</properties>
 
diff --git a/kafka-security-samples/pom.xml b/kafka-security-samples/pom.xml
index a006179..8f0de22 100644
--- a/kafka-security-samples/pom.xml
+++ b/kafka-security-samples/pom.xml
@@ -9,10 +9,6 @@
     <description>Kafka Security Samples</description>
     <packaging>pom</packaging>
 
-    <properties>
-        <java.version>8</java.version>
-    </properties>
-
     <modules>
         <module>kafka-ssl-demo</module>
     </modules>
diff --git a/kafka-streams-samples/kafka-streams-aggregate/pom.xml b/kafka-streams-samples/kafka-streams-aggregate/pom.xml
index d171db0..722ddef 100644
--- a/kafka-streams-samples/kafka-streams-aggregate/pom.xml
+++ b/kafka-streams-samples/kafka-streams-aggregate/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.6.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/kafka-streams-samples/kafka-streams-branching/pom.xml b/kafka-streams-samples/kafka-streams-branching/pom.xml
index 39415dc..9d3158e 100644
--- a/kafka-streams-samples/kafka-streams-branching/pom.xml
+++ b/kafka-streams-samples/kafka-streams-branching/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.6.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/kafka-streams-samples/kafka-streams-dlq-sample/pom.xml b/kafka-streams-samples/kafka-streams-dlq-sample/pom.xml
index 78e3c41..67a0193 100644
--- a/kafka-streams-samples/kafka-streams-dlq-sample/pom.xml
+++ b/kafka-streams-samples/kafka-streams-dlq-sample/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.6.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/kafka-streams-samples/kafka-streams-global-table-join/pom.xml b/kafka-streams-samples/kafka-streams-global-table-join/pom.xml
index bcc58f2..75b01aa 100644
--- a/kafka-streams-samples/kafka-streams-global-table-join/pom.xml
+++ b/kafka-streams-samples/kafka-streams-global-table-join/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.6.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/kafka-streams-samples/kafka-streams-interactive-query-advanced/pom.xml b/kafka-streams-samples/kafka-streams-interactive-query-advanced/pom.xml
index e3329f7..816466d 100644
--- a/kafka-streams-samples/kafka-streams-interactive-query-advanced/pom.xml
+++ b/kafka-streams-samples/kafka-streams-interactive-query-advanced/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.6.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/kafka-streams-samples/kafka-streams-interactive-query-basic/pom.xml b/kafka-streams-samples/kafka-streams-interactive-query-basic/pom.xml
index 735f0ee..515079e 100644
--- a/kafka-streams-samples/kafka-streams-interactive-query-basic/pom.xml
+++ b/kafka-streams-samples/kafka-streams-interactive-query-basic/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.6.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/kafka-streams-samples/kafka-streams-inventory-count/pom.xml b/kafka-streams-samples/kafka-streams-inventory-count/pom.xml
index 4d188d1..93464ad 100644
--- a/kafka-streams-samples/kafka-streams-inventory-count/pom.xml
+++ b/kafka-streams-samples/kafka-streams-inventory-count/pom.xml
@@ -10,13 +10,13 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.6.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
 	<properties>
 		<spring-cloud.version>Hoxton.BUILD-SNAPSHOT</spring-cloud.version>
-		<kafka-streams-test-utils.version>2.3.1</kafka-streams-test-utils.version>
+		<kafka-streams-test-utils.version>2.5.1</kafka-streams-test-utils.version>
 	</properties>
 
 	<dependencyManagement>
diff --git a/kafka-streams-samples/kafka-streams-message-channel/pom.xml b/kafka-streams-samples/kafka-streams-message-channel/pom.xml
index 3f59d39..6b9d692 100644
--- a/kafka-streams-samples/kafka-streams-message-channel/pom.xml
+++ b/kafka-streams-samples/kafka-streams-message-channel/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.6.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/kafka-streams-samples/kafka-streams-product-tracker/pom.xml b/kafka-streams-samples/kafka-streams-product-tracker/pom.xml
index cd59fb0..9e2619e 100644
--- a/kafka-streams-samples/kafka-streams-product-tracker/pom.xml
+++ b/kafka-streams-samples/kafka-streams-product-tracker/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.6.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/kafka-streams-samples/kafka-streams-table-join/pom.xml b/kafka-streams-samples/kafka-streams-table-join/pom.xml
index 2631ac6..b4bbed1 100644
--- a/kafka-streams-samples/kafka-streams-table-join/pom.xml
+++ b/kafka-streams-samples/kafka-streams-table-join/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.6.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/kafka-streams-samples/kafka-streams-to-rabbitmq-message-channel/pom.xml b/kafka-streams-samples/kafka-streams-to-rabbitmq-message-channel/pom.xml
index 9dd5f96..13d5ab6 100644
--- a/kafka-streams-samples/kafka-streams-to-rabbitmq-message-channel/pom.xml
+++ b/kafka-streams-samples/kafka-streams-to-rabbitmq-message-channel/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.6.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/kafka-streams-samples/kafka-streams-word-count/pom.xml b/kafka-streams-samples/kafka-streams-word-count/pom.xml
index 0725ed5..5ab2f36 100644
--- a/kafka-streams-samples/kafka-streams-word-count/pom.xml
+++ b/kafka-streams-samples/kafka-streams-word-count/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.6.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/kinesis-samples/kinesis-produce-consume/pom.xml b/kinesis-samples/kinesis-produce-consume/pom.xml
index f5807c2..0c8645f 100644
--- a/kinesis-samples/kinesis-produce-consume/pom.xml
+++ b/kinesis-samples/kinesis-produce-consume/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.0.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/kinesis-samples/kinesis-to-webflux/pom.xml b/kinesis-samples/kinesis-to-webflux/pom.xml
index 5524fc0..9e28212 100644
--- a/kinesis-samples/kinesis-to-webflux/pom.xml
+++ b/kinesis-samples/kinesis-to-webflux/pom.xml
@@ -14,7 +14,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.0.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/multi-binder-samples/kafka-multi-binder-jaas/pom.xml b/multi-binder-samples/kafka-multi-binder-jaas/pom.xml
index 78c39ec..8f9b8ae 100644
--- a/multi-binder-samples/kafka-multi-binder-jaas/pom.xml
+++ b/multi-binder-samples/kafka-multi-binder-jaas/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.0.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/multi-binder-samples/multi-binder-dynamic-destinations/pom.xml b/multi-binder-samples/multi-binder-dynamic-destinations/pom.xml
index db48be4..81d8942 100644
--- a/multi-binder-samples/multi-binder-dynamic-destinations/pom.xml
+++ b/multi-binder-samples/multi-binder-dynamic-destinations/pom.xml
@@ -11,7 +11,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.7.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/multi-binder-samples/multi-binder-kafka-rabbit/pom.xml b/multi-binder-samples/multi-binder-kafka-rabbit/pom.xml
index b4bbb25..1625fa6 100644
--- a/multi-binder-samples/multi-binder-kafka-rabbit/pom.xml
+++ b/multi-binder-samples/multi-binder-kafka-rabbit/pom.xml
@@ -11,7 +11,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.0.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/multi-binder-samples/multi-binder-kafka-streams/pom.xml b/multi-binder-samples/multi-binder-kafka-streams/pom.xml
index f1c3921..e04ce9c 100644
--- a/multi-binder-samples/multi-binder-kafka-streams/pom.xml
+++ b/multi-binder-samples/multi-binder-kafka-streams/pom.xml
@@ -11,12 +11,12 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.5.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
 	<properties>
-		<spring-cloud.version>Hoxton.SR2</spring-cloud.version>
+		<spring-cloud.version>Hoxton.BUILD-SNAPSHOT</spring-cloud.version>
 	</properties>
 
 	<dependencyManagement>
diff --git a/multi-binder-samples/multi-binder-two-kafka-clusters/pom.xml b/multi-binder-samples/multi-binder-two-kafka-clusters/pom.xml
index 08901ab..d20c105 100644
--- a/multi-binder-samples/multi-binder-two-kafka-clusters/pom.xml
+++ b/multi-binder-samples/multi-binder-two-kafka-clusters/pom.xml
@@ -11,7 +11,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.9.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/multi-functions-samples/function-composition-kafka/pom.xml b/multi-functions-samples/function-composition-kafka/pom.xml
index 07d5430..5b019b7 100644
--- a/multi-functions-samples/function-composition-kafka/pom.xml
+++ b/multi-functions-samples/function-composition-kafka/pom.xml
@@ -11,7 +11,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.0.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/multi-functions-samples/function-composition-rabbit/pom.xml b/multi-functions-samples/function-composition-rabbit/pom.xml
index 15bc713..fd41ef4 100644
--- a/multi-functions-samples/function-composition-rabbit/pom.xml
+++ b/multi-functions-samples/function-composition-rabbit/pom.xml
@@ -11,7 +11,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.0.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/multi-functions-samples/multi-functions-kafka/pom.xml b/multi-functions-samples/multi-functions-kafka/pom.xml
index dce24b4..f82a8a2 100644
--- a/multi-functions-samples/multi-functions-kafka/pom.xml
+++ b/multi-functions-samples/multi-functions-kafka/pom.xml
@@ -11,7 +11,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.0.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/multi-functions-samples/multi-functions-rabbit/pom.xml b/multi-functions-samples/multi-functions-rabbit/pom.xml
index 6e45c2b..b936abf 100644
--- a/multi-functions-samples/multi-functions-rabbit/pom.xml
+++ b/multi-functions-samples/multi-functions-rabbit/pom.xml
@@ -11,7 +11,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.0.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/partitioning-samples/kafka-partitioning/partitioning-consumer-sample-kafka/pom.xml b/partitioning-samples/kafka-partitioning/partitioning-consumer-sample-kafka/pom.xml
index 9e5edae..12a53ad 100644
--- a/partitioning-samples/kafka-partitioning/partitioning-consumer-sample-kafka/pom.xml
+++ b/partitioning-samples/kafka-partitioning/partitioning-consumer-sample-kafka/pom.xml
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.2.0.RELEASE</version>
+        <version>2.3.4.RELEASE</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
 
diff --git a/partitioning-samples/kafka-partitioning/partitioning-producer-sample-kafka/pom.xml b/partitioning-samples/kafka-partitioning/partitioning-producer-sample-kafka/pom.xml
index e0a0136..28728d1 100644
--- a/partitioning-samples/kafka-partitioning/partitioning-producer-sample-kafka/pom.xml
+++ b/partitioning-samples/kafka-partitioning/partitioning-producer-sample-kafka/pom.xml
@@ -11,7 +11,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.0.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/pom.xml b/pom.xml
index 589c140..aab67ee 100644
--- a/pom.xml
+++ b/pom.xml
@@ -14,7 +14,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.5.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/processor-samples/polled-consumer/pom.xml b/processor-samples/polled-consumer/pom.xml
index 61a6ccd..9b011da 100644
--- a/processor-samples/polled-consumer/pom.xml
+++ b/processor-samples/polled-consumer/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.9.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/processor-samples/reactive-processor-kafka/pom.xml b/processor-samples/reactive-processor-kafka/pom.xml
index 28f0de7..bc60f5e 100644
--- a/processor-samples/reactive-processor-kafka/pom.xml
+++ b/processor-samples/reactive-processor-kafka/pom.xml
@@ -12,7 +12,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.2.6.RELEASE</version>
+        <version>2.3.4.RELEASE</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
 
diff --git a/processor-samples/reactive-processor-rabbit/pom.xml b/processor-samples/reactive-processor-rabbit/pom.xml
index 34bd92e..cc17a59 100644
--- a/processor-samples/reactive-processor-rabbit/pom.xml
+++ b/processor-samples/reactive-processor-rabbit/pom.xml
@@ -12,7 +12,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.2.6.RELEASE</version>
+        <version>2.3.4.RELEASE</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
 
diff --git a/processor-samples/sensor-average-reactive-kafka/pom.xml b/processor-samples/sensor-average-reactive-kafka/pom.xml
index 39e6ee9..5ee10a4 100644
--- a/processor-samples/sensor-average-reactive-kafka/pom.xml
+++ b/processor-samples/sensor-average-reactive-kafka/pom.xml
@@ -12,7 +12,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.2.6.RELEASE</version>
+        <version>2.3.4.RELEASE</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
 
diff --git a/processor-samples/sensor-average-reactive-rabbit/pom.xml b/processor-samples/sensor-average-reactive-rabbit/pom.xml
index 3e4d5f5..eac8360 100644
--- a/processor-samples/sensor-average-reactive-rabbit/pom.xml
+++ b/processor-samples/sensor-average-reactive-rabbit/pom.xml
@@ -12,7 +12,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.2.6.RELEASE</version>
+        <version>2.3.4.RELEASE</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
 
diff --git a/processor-samples/streamlistener-basic/pom.xml b/processor-samples/streamlistener-basic/pom.xml
index 201bb88..824323f 100644
--- a/processor-samples/streamlistener-basic/pom.xml
+++ b/processor-samples/streamlistener-basic/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.6.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/processor-samples/uppercase-transformer/pom.xml b/processor-samples/uppercase-transformer/pom.xml
index a13bc1f..8a079d5 100644
--- a/processor-samples/uppercase-transformer/pom.xml
+++ b/processor-samples/uppercase-transformer/pom.xml
@@ -11,7 +11,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.6.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/schema-registry-samples/kafka-streams-schema-evolution/custom-confluent-producer1/pom.xml b/schema-registry-samples/kafka-streams-schema-evolution/custom-confluent-producer1/pom.xml
index d0a9549..3a79369 100644
--- a/schema-registry-samples/kafka-streams-schema-evolution/custom-confluent-producer1/pom.xml
+++ b/schema-registry-samples/kafka-streams-schema-evolution/custom-confluent-producer1/pom.xml
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.2.0.BUILD-SNAPSHOT</version>
+        <version>2.3.4.RELEASE</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
 
diff --git a/schema-registry-samples/kafka-streams-schema-evolution/custom-confluent-producer2/pom.xml b/schema-registry-samples/kafka-streams-schema-evolution/custom-confluent-producer2/pom.xml
index a5e84f5..bbe4665 100644
--- a/schema-registry-samples/kafka-streams-schema-evolution/custom-confluent-producer2/pom.xml
+++ b/schema-registry-samples/kafka-streams-schema-evolution/custom-confluent-producer2/pom.xml
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.2.0.BUILD-SNAPSHOT</version>
+        <version>2.3.4.RELEASE</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
 
diff --git a/schema-registry-samples/kafka-streams-schema-evolution/kafka-streams-confluent-consumer/pom.xml b/schema-registry-samples/kafka-streams-schema-evolution/kafka-streams-confluent-consumer/pom.xml
index 3542762..1c88417 100644
--- a/schema-registry-samples/kafka-streams-schema-evolution/kafka-streams-confluent-consumer/pom.xml
+++ b/schema-registry-samples/kafka-streams-schema-evolution/kafka-streams-confluent-consumer/pom.xml
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.2.0.BUILD-SNAPSHOT</version>
+        <version>2.3.4.RELEASE</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
 
diff --git a/source-samples/dynamic-destination-source-kafka/pom.xml b/source-samples/dynamic-destination-source-kafka/pom.xml
index fdaa412..df501df 100644
--- a/source-samples/dynamic-destination-source-kafka/pom.xml
+++ b/source-samples/dynamic-destination-source-kafka/pom.xml
@@ -11,7 +11,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.0.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/source-samples/dynamic-destination-source-rabbit/pom.xml b/source-samples/dynamic-destination-source-rabbit/pom.xml
index 293b093..e331f95 100644
--- a/source-samples/dynamic-destination-source-rabbit/pom.xml
+++ b/source-samples/dynamic-destination-source-rabbit/pom.xml
@@ -11,7 +11,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.5.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/streambridge-samples/stream-bridge-avro/pom.xml b/streambridge-samples/stream-bridge-avro/pom.xml
index 42b2fdd..fa408ad 100644
--- a/streambridge-samples/stream-bridge-avro/pom.xml
+++ b/streambridge-samples/stream-bridge-avro/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.3.1.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>com.example</groupId>
@@ -16,7 +16,7 @@
 
 	<properties>
 		<java.version>1.8</java.version>
-		<spring-cloud.version>Hoxton.SR6</spring-cloud.version>
+		<spring-cloud.version>Hoxton.SR8</spring-cloud.version>
 		<confluent.version>5.2.0</confluent.version>
 		<avro.version>1.8.2</avro.version>
 	</properties>
@@ -46,7 +46,6 @@
 		<dependency>
 			<groupId>org.springframework.cloud</groupId>
 			<artifactId>spring-cloud-stream</artifactId>
-			<version>3.0.7.BUILD-SNAPSHOT</version>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework.cloud</groupId>
diff --git a/testing-samples/test-embedded-kafka/pom.xml b/testing-samples/test-embedded-kafka/pom.xml
index f81a880..56f7630 100644
--- a/testing-samples/test-embedded-kafka/pom.xml
+++ b/testing-samples/test-embedded-kafka/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.9.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/testing-samples/testing-demo/pom.xml b/testing-samples/testing-demo/pom.xml
index 940be81..b4b3e25 100644
--- a/testing-samples/testing-demo/pom.xml
+++ b/testing-samples/testing-demo/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.9.RELEASE</version>
+		<version>2.3.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/transaction-kafka-samples/transaction-http-source/pom.xml b/transaction-kafka-samples/transaction-http-source/pom.xml
index b6d6481..0f70c71 100644
--- a/transaction-kafka-samples/transaction-http-source/pom.xml
+++ b/transaction-kafka-samples/transaction-http-source/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>org.springframework.boot</groupId>
     <artifactId>spring-boot-starter-parent</artifactId>
-    <version>2.2.0.RELEASE</version>
+    <version>2.3.4.RELEASE</version>
     <relativePath/> <!-- lookup parent from repository -->
   </parent>
 
diff --git a/transaction-kafka-samples/transaction-logger-sink/pom.xml b/transaction-kafka-samples/transaction-logger-sink/pom.xml
index 1e4e2cf..8a7b136 100644
--- a/transaction-kafka-samples/transaction-logger-sink/pom.xml
+++ b/transaction-kafka-samples/transaction-logger-sink/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>org.springframework.boot</groupId>
     <artifactId>spring-boot-starter-parent</artifactId>
-    <version>2.2.0.RELEASE</version>
+    <version>2.3.4.RELEASE</version>
     <relativePath/> <!-- lookup parent from repository -->
   </parent>
 
diff --git a/transaction-kafka-samples/transaction-spring-data-processor/pom.xml b/transaction-kafka-samples/transaction-spring-data-processor/pom.xml
index 370d390..074b790 100644
--- a/transaction-kafka-samples/transaction-spring-data-processor/pom.xml
+++ b/transaction-kafka-samples/transaction-spring-data-processor/pom.xml
@@ -12,7 +12,7 @@
   <parent>
     <groupId>org.springframework.boot</groupId>
     <artifactId>spring-boot-starter-parent</artifactId>
-    <version>2.2.0.RELEASE</version>
+    <version>2.3.4.RELEASE</version>
     <relativePath/> <!-- lookup parent from repository -->
   </parent>