diff --git a/kafka-e2e-kotlin-sample/customer-service/pom.xml b/kafka-e2e-kotlin-sample/customer-service/pom.xml
index 0878b55..fb7c423 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>2.2.0.RELEASE</version>
+        <version>2.2.6.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 529705e..6641e5d 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>2.2.0.RELEASE</version>
+        <version>2.2.6.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 8582ec9..c795aba 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>2.2.0.RELEASE</version>
+        <version>2.2.6.RELEASE</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
 
diff --git a/kafka-streams-samples/kafka-streams-aggregate/pom.xml b/kafka-streams-samples/kafka-streams-aggregate/pom.xml
index 9a5ba7e..d171db0 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>2.2.0.RELEASE</version>
+		<version>2.2.6.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 96a2c57..39415dc 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>2.2.0.RELEASE</version>
+		<version>2.2.6.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 904ac42..78e3c41 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>2.2.0.RELEASE</version>
+		<version>2.2.6.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 801dd88..bcc58f2 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>2.2.0.RELEASE</version>
+		<version>2.2.6.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 9f57dce..e3329f7 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>2.2.5.RELEASE</version>
+		<version>2.2.6.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 a709355..735f0ee 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>2.2.0.RELEASE</version>
+		<version>2.2.6.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 d7961b4..9424c0a 100644
--- a/kafka-streams-samples/kafka-streams-inventory-count/pom.xml
+++ b/kafka-streams-samples/kafka-streams-inventory-count/pom.xml
@@ -10,7 +10,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.5.RELEASE</version>
+		<version>2.2.6.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/kafka-streams-samples/kafka-streams-message-channel/pom.xml b/kafka-streams-samples/kafka-streams-message-channel/pom.xml
index 6dc5070..3f59d39 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>2.2.0.RELEASE</version>
+		<version>2.2.6.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 e27b2a5..cd59fb0 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>2.2.0.RELEASE</version>
+		<version>2.2.6.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 04bce0d..2631ac6 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>2.2.0.RELEASE</version>
+		<version>2.2.6.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 13c5977..9dd5f96 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>2.2.0.RELEASE</version>
+		<version>2.2.6.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 d754a1a..0cba44b 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>2.2.5.RELEASE</version>
+		<version>2.2.6.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 cd29d3b..28f0de7 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>2.2.0.RELEASE</version>
+        <version>2.2.6.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 3397fba..34bd92e 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>2.2.0.RELEASE</version>
+        <version>2.2.6.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 75969f3..39e6ee9 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>2.2.0.RELEASE</version>
+        <version>2.2.6.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 0d59c67..3e4d5f5 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>2.2.0.RELEASE</version>
+        <version>2.2.6.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 8dfa3ea..201bb88 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>2.2.0.RELEASE</version>
+		<version>2.2.6.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 92abca6..a13bc1f 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>2.2.0.RELEASE</version>
+		<version>2.2.6.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>