diff --git a/hazelcast/pom.xml b/hazelcast/pom.xml
index 00960eadd2..91e2cd2c61 100644
--- a/hazelcast/pom.xml
+++ b/hazelcast/pom.xml
@@ -64,14 +64,14 @@
 
     <properties>
         <!-- hazelcast -->
-        <hazelcast.version>3.7.2</hazelcast.version>
+        <hazelcast.version>3.7.4</hazelcast.version>
         
         <!-- logging -->
         <org.slf4j.version>1.7.21</org.slf4j.version>
         <logback.version>1.1.7</logback.version>
 
         <!-- maven plugins -->
-        <maven-compiler-plugin.version>3.5.1</maven-compiler-plugin.version>
+        <maven-compiler-plugin.version>3.6.0</maven-compiler-plugin.version>
     </properties>
 
 </project>
\ No newline at end of file
diff --git a/httpclient/pom.xml b/httpclient/pom.xml
index cac363c414..be0daae995 100644
--- a/httpclient/pom.xml
+++ b/httpclient/pom.xml
@@ -51,13 +51,13 @@
         <dependency>
             <groupId>commons-codec</groupId>
             <artifactId>commons-codec</artifactId>
-            <version>1.9</version>
+            <version>${commons-codec.version}</version>
         </dependency>
 
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpasyncclient</artifactId>
-            <version>4.1-beta1</version> <!-- 4.0.2 --> <!-- 4.1-beta1 -->
+            <version>${httpasyncclient.version}</version> <!-- 4.0.2 --> <!-- 4.1-beta1 -->
         </dependency>
 
         <!-- logging -->
@@ -188,37 +188,28 @@
     </profiles>
 
     <properties>
-        <!-- persistence -->
-        <hibernate.version>4.3.11.Final</hibernate.version>
-        <mysql-connector-java.version>5.1.38</mysql-connector-java.version>
-
         <!-- logging -->
-        <org.slf4j.version>1.7.13</org.slf4j.version>
-        <logback.version>1.1.3</logback.version>
-
-        <!-- various -->
-        <hibernate-validator.version>5.1.3.Final</hibernate-validator.version>
+        <org.slf4j.version>1.7.21</org.slf4j.version>
+        <logback.version>1.1.7</logback.version>
 
         <!-- util -->
         <guava.version>19.0</guava.version>
-        <commons-lang3.version>3.4</commons-lang3.version>
+        <commons-lang3.version>3.5</commons-lang3.version>
+        <commons-codec.version>1.10</commons-codec.version>
+        <httpasyncclient.version>4.1.2</httpasyncclient.version>
 
         <!-- testing -->
         <org.hamcrest.version>1.3</org.hamcrest.version>
         <junit.version>4.12</junit.version>
         <mockito.version>1.10.19</mockito.version>
 
-        <httpcore.version>4.4.1</httpcore.version>
-        <httpclient.version>4.5</httpclient.version> <!-- 4.3.6 --> <!-- 4.4-beta1 -->
-
-        <rest-assured.version>2.9.0</rest-assured.version>
+        <httpcore.version>4.4.5</httpcore.version>
+        <httpclient.version>4.5.2</httpclient.version> <!-- 4.3.6 --> <!-- 4.4-beta1 -->
 
         <!-- maven plugins -->
-        <maven-compiler-plugin.version>3.5.1</maven-compiler-plugin.version>
-        <maven-war-plugin.version>2.6</maven-war-plugin.version>
+        <maven-compiler-plugin.version>3.6.0</maven-compiler-plugin.version>
         <maven-surefire-plugin.version>2.19.1</maven-surefire-plugin.version>
-        <maven-resources-plugin.version>2.7</maven-resources-plugin.version>
-        <cargo-maven2-plugin.version>1.4.18</cargo-maven2-plugin.version>
+        <cargo-maven2-plugin.version>1.6.1</cargo-maven2-plugin.version>
 
     </properties>
 
diff --git a/hystrix/pom.xml b/hystrix/pom.xml
index 25c5bb5286..5e050d726e 100644
--- a/hystrix/pom.xml
+++ b/hystrix/pom.xml
@@ -21,7 +21,7 @@
         <java.version>1.8</java.version>
 
         <!-- Hystrix -->
-        <hystrix-core.version>1.5.4</hystrix-core.version>
+        <hystrix-core.version>1.5.8</hystrix-core.version>
         <rxjava-core.version>0.20.7</rxjava-core.version>
 
         <!-- Testing -->
@@ -29,13 +29,13 @@
         <junit.version>4.12</junit.version>
 
         <!-- maven plugins -->
-        <maven-compiler-plugin.version>3.5.1</maven-compiler-plugin.version>
+        <maven-compiler-plugin.version>3.6.0</maven-compiler-plugin.version>
         <maven-war-plugin.version>2.6</maven-war-plugin.version>
         <maven-surefire-plugin.version>2.19.1</maven-surefire-plugin.version>
         <maven-resources-plugin.version>2.7</maven-resources-plugin.version>
-        <hystrix-metrics-event-stream.version>1.3.16</hystrix-metrics-event-stream.version>
-        <hystrix-dashboard.version>1.4.3</hystrix-dashboard.version>
-        <spring-boot-starter-test.version>1.4.0.RELEASE</spring-boot-starter-test.version>
+        <hystrix-metrics-event-stream.version>1.5.8</hystrix-metrics-event-stream.version>
+        <hystrix-dashboard.version>1.5.8</hystrix-dashboard.version>
+        <spring-boot-starter-test.version>1.4.2.RELEASE</spring-boot-starter-test.version>
     </properties>
 
     <dependencies>
diff --git a/immutables/pom.xml b/immutables/pom.xml
index 2b4aba59b1..054763b3d4 100644
--- a/immutables/pom.xml
+++ b/immutables/pom.xml
@@ -12,24 +12,24 @@
         <dependency>
             <groupId>org.immutables</groupId>
             <artifactId>value</artifactId>
-            <version>2.2.10</version>
+            <version>${immutables.version}</version>
         </dependency>
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>${junit.version}</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.assertj</groupId>
             <artifactId>assertj-core</artifactId>
-            <version>3.5.2</version>
+            <version>${assertj.version}</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.mutabilitydetector</groupId>
             <artifactId>MutabilityDetector</artifactId>
-            <version>0.9.5</version>
+            <version>${mutabilitydetector.version}</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
@@ -39,7 +39,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.3</version>
+                <version>${maven-compiler-plugin.version}</version>
                 <configuration>
                     <source>1.8</source>
                     <target>1.8</target>
@@ -47,4 +47,13 @@
             </plugin>
         </plugins>
     </build>
+    
+    <properties>
+        <immutables.version>2.3.10</immutables.version>
+        <junit.version>4.12</junit.version>
+        <assertj.version>3.6.1</assertj.version>
+        <mutabilitydetector.version>0.9.6</mutabilitydetector.version>
+        
+        <maven-compiler-plugin.version>3.6.0</maven-compiler-plugin.version>
+    </properties>
 </project>
\ No newline at end of file