diff --git a/pdf/pom.xml b/pdf/pom.xml
index c6404c6b30..332e1f5244 100644
--- a/pdf/pom.xml
+++ b/pdf/pom.xml
@@ -14,6 +14,15 @@
 
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<junit.version>4.12</junit.version>
+		<pdfbox-tools.version>2.0.3</pdfbox-tools.version>
+		<pdf2dom.version>1.6</pdf2dom.version>
+		<itextpdf.version>5.5.10</itextpdf.version>
+		<xmlworker.version>5.5.10</xmlworker.version>
+		<poi-scratchpad.version>3.15</poi-scratchpad.version>
+		<batik-transcoder.version>1.8</batik-transcoder.version>
+		<poi-ooxml.version>3.15</poi-ooxml.version>
+		
 		<maven-compiler-plugin.version>3.5.1</maven-compiler-plugin.version>
 	</properties>
 
@@ -21,43 +30,43 @@
 		<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>
-			<version>3.8.1</version>
+			<version>${junit.version}</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.pdfbox</groupId>
 			<artifactId>pdfbox-tools</artifactId>
-			<version>2.0.3</version>
+			<version>${pdfbox-tools.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>net.sf.cssbox</groupId>
 			<artifactId>pdf2dom</artifactId>
-			<version>1.6</version>
+			<version>${pdf2dom.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>com.itextpdf</groupId>
 			<artifactId>itextpdf</artifactId>
-			<version>5.5.10</version>
+			<version>${itextpdf.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>com.itextpdf.tool</groupId>
 			<artifactId>xmlworker</artifactId>
-			<version>5.5.10</version>
+			<version>${xmlworker.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.poi</groupId>
 			<artifactId>poi-scratchpad</artifactId>
-			<version>3.15</version>
+			<version>${poi-scratchpad.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.xmlgraphics</groupId>
 			<artifactId>batik-transcoder</artifactId>
-			<version>1.8</version>
+			<version>${batik-transcoder.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.poi</groupId>
 			<artifactId>poi-ooxml</artifactId>
-			<version>3.15</version>
+			<version>${poi-ooxml.version}</version>
 		</dependency>
 	</dependencies>
 
diff --git a/querydsl/pom.xml b/querydsl/pom.xml
index 13528526ea..a9218e7751 100644
--- a/querydsl/pom.xml
+++ b/querydsl/pom.xml
@@ -16,10 +16,19 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <java.version>1.8</java.version>
         <junit.version>4.12</junit.version>
-        <spring.version>4.3.1.RELEASE</spring.version>
-        <hibernate.version>5.2.1.Final</hibernate.version>
-        <querydsl.version>4.1.3</querydsl.version>
+        <spring.version>4.3.4.RELEASE</spring.version>
+        <hibernate.version>5.2.5.Final</hibernate.version>
+        <hibernate-jpa.version>1.0.0.Final</hibernate-jpa.version>
+        <querydsl.version>4.1.4</querydsl.version>
+        <hsqldb.version>2.3.4</hsqldb.version>
+        <commons-pool.version>1.6</commons-pool.version>
+        <commons-dbcp.version>1.4</commons-dbcp.version>
+        
         <slf4j.version>1.7.21</slf4j.version>
+        <logback.version>1.1.7</logback.version>
+        
+        <maven-compiler-plugin.version>3.6.0</maven-compiler-plugin.version>
+        <apt-maven-plugin.version>1.1.3</apt-maven-plugin.version>
         <maven-surefire-plugin.version>2.19.1</maven-surefire-plugin.version>        
     </properties>
 
@@ -50,14 +59,14 @@
         <dependency>
             <groupId>org.hibernate.javax.persistence</groupId>
             <artifactId>hibernate-jpa-2.1-api</artifactId>
-            <version>1.0.0.Final</version>
+            <version>${hibernate-jpa.version}</version>
             <scope>compile</scope>
         </dependency>
 
         <dependency>
             <groupId>commons-dbcp</groupId>
             <artifactId>commons-dbcp</artifactId>
-            <version>1.4</version>
+            <version>${commons-dbcp.version}</version>
             <type>jar</type>
             <scope>compile</scope>
         </dependency>
@@ -65,7 +74,7 @@
         <dependency>
             <groupId>commons-pool</groupId>
             <artifactId>commons-pool</artifactId>
-            <version>1.6</version>
+            <version>${commons-pool.version}</version>
             <type>jar</type>
             <scope>compile</scope>
         </dependency>
@@ -74,7 +83,7 @@
         <dependency>
             <groupId>org.hsqldb</groupId>
             <artifactId>hsqldb</artifactId>
-            <version>2.3.4</version>
+            <version>${hsqldb.version}</version>
         </dependency>
 
         <!-- Spring Dependencies -->
@@ -116,7 +125,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.1.7</version>
+            <version>${logback.version}</version>
         </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>
@@ -142,7 +151,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.5.1</version>
+                <version>${maven-compiler-plugin.version}</version>
                 <configuration>
                     <source>${java.version}</source>
                     <target>${java.version}</target>
@@ -154,7 +163,7 @@
             <plugin>
                 <groupId>com.mysema.maven</groupId>
                 <artifactId>apt-maven-plugin</artifactId>
-                <version>1.1.3</version>
+                <version>${apt-maven-plugin.version}</version>
                 <executions>
                     <execution>
                         <goals>
diff --git a/redis/pom.xml b/redis/pom.xml
index a5d3af8097..8443564ffd 100644
--- a/redis/pom.xml
+++ b/redis/pom.xml
@@ -15,13 +15,13 @@
         <dependency>
             <groupId>redis.clients</groupId>
             <artifactId>jedis</artifactId>
-            <version>2.8.1</version>
+            <version>${jedis.version}</version>
         </dependency>
 
         <dependency>
             <groupId>com.github.kstyrc</groupId>
             <artifactId>embedded-redis</artifactId>
-            <version>0.6</version>
+            <version>${embedded-redis.version}</version>
         </dependency>
 
         <dependency>
@@ -38,7 +38,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-compiler-plugin</artifactId>
-                    <version>3.5.1</version>
+                    <version>${maven-compiler-plugin.version}</version>
                     <configuration>
                         <source>1.8</source>
                         <target>1.8</target>
@@ -50,7 +50,13 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+                
+        <jedis.version>2.9.0</jedis.version>
+        <embedded-redis.version>0.6</embedded-redis.version>
+        
         <!-- testing -->
         <junit.version>4.12</junit.version>
+
+        <maven-compiler-plugin.version>3.6.0</maven-compiler-plugin.version>
     </properties>
 </project>
diff --git a/rest-assured/pom.xml b/rest-assured/pom.xml
index e2a2af9cd9..3d1abefeb1 100644
--- a/rest-assured/pom.xml
+++ b/rest-assured/pom.xml
@@ -10,106 +10,106 @@
         <dependency>
             <groupId>javax.servlet</groupId>
             <artifactId>javax.servlet-api</artifactId>
-            <version>3.1-b06</version>
+            <version>${javax.servlet-api.version}</version>
         </dependency>
         <dependency>
             <groupId>javax.servlet</groupId>
             <artifactId>servlet-api</artifactId>
-            <version>2.5</version>
+            <version>${servlet-api.version}</version>
         </dependency>
         <dependency>
             <groupId>org.eclipse.jetty</groupId>
             <artifactId>jetty-security</artifactId>
-            <version>9.2.0.M1</version>
+            <version>${jetty.version}</version>
         </dependency>
         <dependency>
             <groupId>org.eclipse.jetty</groupId>
             <artifactId>jetty-servlet</artifactId>
-            <version>9.2.0.M1</version>
+            <version>${jetty.version}</version>
         </dependency>
         <dependency>
             <groupId>org.eclipse.jetty</groupId>
             <artifactId>jetty-servlets</artifactId>
-            <version>9.2.0.M1</version>
+            <version>${jetty.version}</version>
         </dependency>
         <dependency>
             <groupId>org.eclipse.jetty</groupId>
             <artifactId>jetty-io</artifactId>
-            <version>9.2.0.M1</version>
+            <version>${jetty.version}</version>
         </dependency>
         <dependency>
             <groupId>org.eclipse.jetty</groupId>
             <artifactId>jetty-http</artifactId>
-            <version>9.2.0.M1</version>
+            <version>${jetty.version}</version>
         </dependency>
         <dependency>
             <groupId>org.eclipse.jetty</groupId>
             <artifactId>jetty-server</artifactId>
-            <version>9.2.0.M1</version>
+            <version>${jetty.version}</version>
         </dependency>
         <dependency>
             <groupId>org.eclipse.jetty</groupId>
             <artifactId>jetty-util</artifactId>
-            <version>9.2.0.M1</version>
+            <version>${jetty.version}</version>
         </dependency>
 
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-api</artifactId>
-            <version>1.7.21</version>
+            <version>${slf4j.version}</version>
         </dependency>
 
         <dependency>
             <groupId>log4j</groupId>
             <artifactId>log4j</artifactId>
-            <version>1.2.17</version>
+            <version>${log4j.version}</version>
         </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-log4j12</artifactId>
-            <version>1.7.21</version>
+            <version>${slf4j.version}</version>
         </dependency>
 
         <dependency>
             <groupId>commons-logging</groupId>
             <artifactId>commons-logging</artifactId>
-            <version>1.2</version>
+            <version>${commons-logging.version}</version>
         </dependency>
 
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpcore</artifactId>
-            <version>4.4.5</version>
+            <version>${httpcore.version}</version>
         </dependency>
 
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-lang3</artifactId>
-            <version>3.4</version>
+            <version>${commons-lang3.version}</version>
         </dependency>
 
         <dependency>
             <groupId>com.github.fge</groupId>
             <artifactId>uri-template</artifactId>
-            <version>0.9</version>
+            <version>${uri-template.version}</version>
         </dependency>
 
         <dependency>
             <groupId>com.googlecode.libphonenumber</groupId>
             <artifactId>libphonenumber</artifactId>
-            <version>7.4.5</version>
+            <version>${libphonenumber.version}</version>
         </dependency>
 
         <dependency>
             <groupId>javax.mail</groupId>
             <artifactId>mail</artifactId>
-            <version>1.4.7</version>
+            <version>${javax.mail.version}</version>
         </dependency>
 
         <dependency>
             <groupId>joda-time</groupId>
             <artifactId>joda-time</artifactId>
-            <version>2.9.4</version>
+            <version>${joda-time.version}</version>
         </dependency>
 
         <dependency>
@@ -126,13 +126,13 @@
         <dependency>
             <groupId>com.github.fge</groupId>
             <artifactId>msg-simple</artifactId>
-            <version>1.1</version>
+            <version>${msg-simple.version}</version>
         </dependency>
 
         <dependency>
             <groupId>com.github.fge</groupId>
             <artifactId>jackson-coreutils</artifactId>
-            <version>1.8</version>
+            <version>${jackson-coreutils.version}</version>
         </dependency>
 
         <dependency>
@@ -143,63 +143,63 @@
         <dependency>
             <groupId>com.github.fge</groupId>
             <artifactId>btf</artifactId>
-            <version>1.2</version>
+            <version>${btf.version}</version>
         </dependency>
 
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5.2</version>
+            <version>${httpclient.version}</version>
         </dependency>
 
         <dependency>
             <groupId>org.codehaus.groovy</groupId>
             <artifactId>groovy-all</artifactId>
-            <version>2.4.7</version>
+            <version>${groovy.version}</version>
         </dependency>
 
         <dependency>
             <groupId>com.github.tomakehurst</groupId>
             <artifactId>wiremock</artifactId>
-            <version>2.1.7</version>
+            <version>${wiremock.version}</version>
         </dependency>
         <dependency>
             <groupId>io.rest-assured</groupId>
             <artifactId>rest-assured</artifactId>
-            <version>3.0.0</version>
+            <version>${rest-assured.version}</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>io.rest-assured</groupId>
             <artifactId>json-schema-validator</artifactId>
-            <version>3.0.0</version>
+            <version>${rest-assured-json-schema-validator.version}</version>
         </dependency>
         <dependency>
             <groupId>com.github.fge</groupId>
             <artifactId>json-schema-validator</artifactId>
-            <version>2.2.6</version>
+            <version>${github-json-schema-validator.version}</version>
         </dependency>
         <dependency>
             <groupId>com.github.fge</groupId>
             <artifactId>json-schema-core</artifactId>
-            <version>1.2.5</version>
+            <version>${json-schema-core.version}</version>
         </dependency>
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.3</version>
+            <version>${junit.version}</version>
             <scope>test</scope>
         </dependency>
 
         <dependency>
             <groupId>org.hamcrest</groupId>
             <artifactId>hamcrest-all</artifactId>
-            <version>1.3</version>
+            <version>${hamcrest.version}</version>
         </dependency>
         <dependency>
             <groupId>commons-collections</groupId>
             <artifactId>commons-collections</artifactId>
-            <version>3.2.2</version>
+            <version>${commons-collections.version}</version>
         </dependency>
 
     </dependencies>
@@ -209,7 +209,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.3</version>
+                <version>${maven-compiler-plugin.version}</version>
                 <configuration>
                     <source>8</source>
                     <target>8</target>
@@ -219,8 +219,42 @@
     </build>
 
     <properties>
-        <jackson.version>2.8.3</jackson.version>
+        <jackson.version>2.8.5</jackson.version>
+        <jackson-coreutils.version>1.8</jackson-coreutils.version>
         <guava.version>19.0</guava.version>
+        
+        <javax.servlet-api.version>3.1.0</javax.servlet-api.version>
+        <servlet-api.version>2.5</servlet-api.version>
+        <javax.mail.version>1.4.7</javax.mail.version>        
+        <jetty.version>9.4.0.v20161208</jetty.version>
+        
+        <log4j.version>1.2.17</log4j.version>
+        <slf4j.version>1.7.21</slf4j.version>
+        
+        <commons-lang3.version>3.5</commons-lang3.version>        
+        <commons-logging.version>1.2</commons-logging.version>
+        <commons-collections.version>3.2.2</commons-collections.version>
+        
+        <httpcore.version>4.4.5</httpcore.version>
+        <httpclient.version>4.5.2</httpclient.version>
+        
+        <uri-template.version>0.9</uri-template.version>
+        <libphonenumber.version>8.0.0</libphonenumber.version>
+        <joda-time.version>2.9.6</joda-time.version>
+        <msg-simple.version>1.1</msg-simple.version>
+        <btf.version>1.2</btf.version>
+        <groovy.version>2.4.7</groovy.version>
+        <wiremock.version>2.4.1</wiremock.version>
+
+        <github-json-schema-validator.version>2.2.6</github-json-schema-validator.version>
+        <json-schema-core.version>1.2.5</json-schema-core.version>
+        
+        <hamcrest.version>1.3</hamcrest.version>
+        <rest-assured.version>3.0.1</rest-assured.version>
+        <rest-assured-json-schema-validator.version>3.0.1</rest-assured-json-schema-validator.version>        
+        <junit.version>4.12</junit.version>
+        
+        <maven-compiler-plugin.version>3.6.0</maven-compiler-plugin.version>
     </properties>
 
 </project>
diff --git a/rest-testing/pom.xml b/rest-testing/pom.xml
index 90c160af15..f7f94a49a6 100644
--- a/rest-testing/pom.xml
+++ b/rest-testing/pom.xml
@@ -20,7 +20,7 @@
 		<dependency>
 			<groupId>commons-io</groupId>
 			<artifactId>commons-io</artifactId>
-			<version>2.4</version>
+			<version>${commons-io.version}</version>
 		</dependency>
 
 		<dependency>
@@ -106,20 +106,20 @@
 		<dependency>
 			<groupId>com.github.tomakehurst</groupId>
 			<artifactId>wiremock</artifactId>
-			<version>1.58</version>
+			<version>${wiremock.version}</version>
 			<scope>test</scope>
 		</dependency>
 
 		<dependency>
 			<groupId>info.cukes</groupId>
 			<artifactId>cucumber-java</artifactId>
-			<version>1.2.4</version>
+			<version>${cucumber.version}</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
 			<groupId>info.cukes</groupId>
 			<artifactId>cucumber-junit</artifactId>
-			<version>1.2.4</version>
+			<version>${cucumber.version}</version>
 		</dependency>
 	</dependencies>
 
@@ -198,35 +198,33 @@
     
 	<properties>
 		<!-- marshalling -->
-		<jackson.version>2.7.8</jackson.version>
+		<jackson.version>2.8.5</jackson.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-io.version>2.5</commons-io.version>
 
 		<!-- testing -->
 		<org.hamcrest.version>1.3</org.hamcrest.version>
 		<junit.version>4.12</junit.version>
 		<mockito.version>1.10.19</mockito.version>
+        <rest-assured.version>2.9.0</rest-assured.version>
+        <cucumber.version>1.2.5</cucumber.version>
+        <wiremock.version>2.4.1</wiremock.version>
 
-		<httpcore.version>4.4.1</httpcore.version>
-		<httpclient.version>4.5</httpclient.version>
+		<httpcore.version>4.4.5</httpcore.version>
+		<httpclient.version>4.5.2</httpclient.version>
 
-		<rest-assured.version>2.9.0</rest-assured.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>
-		<cargo-maven2-plugin.version>1.4.18</cargo-maven2-plugin.version>
 
 	</properties>