diff --git a/flyway/pom.xml b/flyway/pom.xml
index d53bc7dc41..155390b218 100644
--- a/flyway/pom.xml
+++ b/flyway/pom.xml
@@ -10,7 +10,7 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>6.0.3</version>
+            <version>${mysql.version}</version>
         </dependency>
     </dependencies>
     <build>
@@ -18,12 +18,12 @@
             <plugin>
                 <groupId>org.flywaydb</groupId>
                 <artifactId>flyway-maven-plugin</artifactId>
-                <version>4.0.3</version>
+                <version>${flyway-maven-plugin.version}</version>
             </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.5.1</version>
+                <version>${maven-compiler-plugin.version}</version>
                 <configuration>
                     <source>1.8</source>
                     <target>1.8</target>
@@ -31,4 +31,9 @@
             </plugin>
         </plugins>
     </build>
+    <properties>
+        <mysql.version>6.0.5</mysql.version>
+        <flyway-maven-plugin.version>4.0.3</flyway-maven-plugin.version>
+        <maven-compiler-plugin.version>3.6.0</maven-compiler-plugin.version>
+    </properties>
 </project>
\ No newline at end of file
diff --git a/handling-spring-static-resources/pom.xml b/handling-spring-static-resources/pom.xml
index 6dd0c95026..9a14ce9372 100644
--- a/handling-spring-static-resources/pom.xml
+++ b/handling-spring-static-resources/pom.xml
@@ -91,14 +91,14 @@
         <dependency>
             <groupId>javax.inject</groupId>
             <artifactId>javax.inject</artifactId>
-            <version>1</version>
+            <version>${inject.version}</version>
         </dependency>
 
         <!-- Servlet -->
         <dependency>
             <groupId>javax.servlet</groupId>
             <artifactId>javax.servlet-api</artifactId>
-            <version>3.1.0</version>
+            <version>${javax.servlet-api.version}</version>
         </dependency>
         <dependency>
             <groupId>javax.servlet.jsp</groupId>
@@ -108,7 +108,7 @@
         <dependency>
             <groupId>javax.servlet</groupId>
             <artifactId>jstl</artifactId>
-            <version>1.2</version>
+            <version>${jstl.version}</version>
         </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
@@ -126,14 +126,14 @@
         <dependency>
             <groupId>joda-time</groupId>
             <artifactId>joda-time</artifactId>
-            <version>2.6</version>
+            <version>${joda-time.version}</version>
         </dependency>
 
         <!-- Handlebars.java -->
         <dependency>
             <groupId>com.github.jknack</groupId>
             <artifactId>handlebars</artifactId>
-            <version>1.3.2</version>
+            <version>${handlebars.version}</version>
         </dependency>
 
         <!-- logging -->
@@ -175,7 +175,7 @@
             <plugin>
                 <groupId>net.alchim31.maven</groupId>
                 <artifactId>yuicompressor-maven-plugin</artifactId>
-                <version>1.5.1</version>
+                <version>${yuicompressor-maven-plugin.version}</version>
                 <executions>
                     <execution>
                         <goals>
@@ -210,46 +210,29 @@
         <java-version>1.8</java-version>
 
         <!-- Spring -->
-        <org.springframework.version>4.2.5.RELEASE</org.springframework.version>
-        <org.springframework.security.version>4.0.4.RELEASE</org.springframework.security.version>
+        <org.springframework.version>4.3.4.RELEASE</org.springframework.version>
+        <org.springframework.security.version>4.2.0.RELEASE</org.springframework.security.version>
 
-        <org.aspectj-version>1.8.1</org.aspectj-version>
-        <javax.servlet.jsp-api.version>2.3.2-b01</javax.servlet.jsp-api.version>
-
-        <!-- persistence -->
-        <hibernate.version>4.3.11.Final</hibernate.version>
-        <mysql-connector-java.version>5.1.38</mysql-connector-java.version>
-        <spring-data-jpa.version>1.9.2.RELEASE</spring-data-jpa.version>
+        <org.aspectj-version>1.8.9</org.aspectj-version>
+        <javax.servlet.jsp-api.version>2.3.2-b02</javax.servlet.jsp-api.version>
 
         <!-- 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>
+        <org.slf4j.version>1.7.21</org.slf4j.version>
+        <logback.version>1.1.7</logback.version>
 
-        <!-- various -->
-        <hibernate-validator.version>5.2.2.Final</hibernate-validator.version>
-
-        <!-- util -->
-        <guava.version>19.0</guava.version>
-        <commons-lang3.version>3.4</commons-lang3.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>
-
-        <rest-assured.version>2.9.0</rest-assured.version>
+        <!-- various 1.3.2-->
+        <hibernate-validator.version>5.3.3.Final</hibernate-validator.version>
+        <handlebars.version>4.0.6</handlebars.version>
+        <joda-time.version>2.9.6</joda-time.version>
+        <jstl.version>1.2</jstl.version>
+        <javax.servlet-api.version>3.1.0</javax.servlet-api.version>
+        <inject.version>1</inject.version>
 
         <!-- Maven plugins -->
-        <maven-compiler-plugin.version>3.5.1</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>
-        <cargo-maven2-plugin.version>1.4.18</cargo-maven2-plugin.version>
+        <yuicompressor-maven-plugin.version>1.5.1</yuicompressor-maven-plugin.version>
     </properties>
 
 </project>
\ No newline at end of file
diff --git a/handling-spring-static-resources/src/main/resources/webSecurityConfig.xml b/handling-spring-static-resources/src/main/resources/webSecurityConfig.xml
index 76b5015e7b..cf944804db 100644
--- a/handling-spring-static-resources/src/main/resources/webSecurityConfig.xml
+++ b/handling-spring-static-resources/src/main/resources/webSecurityConfig.xml
@@ -2,10 +2,10 @@
 <beans:beans xmlns="http://www.springframework.org/schema/security" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:beans="http://www.springframework.org/schema/beans"
     xmlns:mvc="http://www.springframework.org/schema/mvc"
     xsi:schemaLocation="
-		http://www.springframework.org/schema/security http://www.springframework.org/schema/security/spring-security-4.0.xsd
-		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.2.xsd
+		http://www.springframework.org/schema/security http://www.springframework.org/schema/security/spring-security-4.2.xsd
+		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
 		http://www.springframework.org/schema/mvc 
-        http://www.springframework.org/schema/mvc/spring-mvc-4.2.xsd"
+        http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd"
 >
     <http use-expressions="true">
         <intercept-url pattern="/login*" access="permitAll"/>