diff --git a/spring-security-rest-digest-auth/pom.xml b/spring-security-rest-digest-auth/pom.xml
index 1880e12a74..dc8e12b72b 100644
--- a/spring-security-rest-digest-auth/pom.xml
+++ b/spring-security-rest-digest-auth/pom.xml
@@ -84,10 +84,10 @@
         </dependency>
 
         <dependency>
-		    <groupId>org.springframework</groupId>
-		    <artifactId>spring-web</artifactId>
-		    <version>${org.springframework.version}</version>
-		</dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-web</artifactId>
+            <version>${org.springframework.version}</version>
+        </dependency>
 		
         <!-- marshalling -->
 
@@ -335,32 +335,32 @@
     
     <properties>
         <!-- 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>
 
         <!-- persistence -->
-        <hibernate.version>4.3.11.Final</hibernate.version>
-        <mysql-connector-java.version>5.1.38</mysql-connector-java.version>
+        <hibernate.version>5.2.5.Final</hibernate.version>
+        <mysql-connector-java.version>5.1.40</mysql-connector-java.version>
 
         <!-- http -->
-        <httpcore.version>4.4.4</httpcore.version>
-        <httpclient.version>4.5.1</httpclient.version>
+        <httpcore.version>4.4.5</httpcore.version>
+        <httpclient.version>4.5.2</httpclient.version>
 
         <!-- logging -->
-        <org.slf4j.version>1.7.13</org.slf4j.version>
-        <logback.version>1.1.3</logback.version> <!-- do not upgrade - see http://jira.qos.ch/browse/LOGBACK-851 -->
+        <org.slf4j.version>1.7.21</org.slf4j.version>
+        <logback.version>1.1.7</logback.version> <!-- do not upgrade - see http://jira.qos.ch/browse/LOGBACK-851 -->
 
         <!-- marshalling -->
-        <jackson.version>2.7.8</jackson.version>
+        <jackson.version>2.8.5</jackson.version>
 
         <!-- various -->
-        <hibernate-validator.version>5.2.2.Final</hibernate-validator.version>
-        <javax.servlet.version>3.0.1</javax.servlet.version>
+        <hibernate-validator.version>5.3.3.Final</hibernate-validator.version>
+        <javax.servlet.version>3.1.0</javax.servlet.version>
         <jstl.version>1.2</jstl.version>
 
         <!-- util -->
         <guava.version>19.0</guava.version>
-        <commons-lang3.version>3.4</commons-lang3.version>
+        <commons-lang3.version>3.5</commons-lang3.version>
 
         <!-- testing -->
         <org.hamcrest.version>1.3</org.hamcrest.version>
@@ -370,10 +370,10 @@
         <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>
-        <cargo-maven2-plugin.version>1.4.18</cargo-maven2-plugin.version>
+        <cargo-maven2-plugin.version>1.6.1</cargo-maven2-plugin.version>
 
     </properties>