diff --git a/pom.xml b/pom.xml
index 86b4e2b..7271895 100755
--- a/pom.xml
+++ b/pom.xml
@@ -53,21 +53,14 @@
 	</scm>
 	
 	<properties>
-		<spring.version>3.1.4.RELEASE</spring.version>
-		<spring.data.core.version>1.6.0.M1</spring.data.core.version>
-		<spring.data.jpa.version>1.4.0.M1</spring.data.jpa.version>
-		<slf4j.version>1.6.6</slf4j.version>
+		<spring.version>3.2.8.RELEASE</spring.version>
+		<spring.data.jpa.version>1.5.2.RELEASE</spring.data.jpa.version>
+		<slf4j.version>1.7.2</slf4j.version>
 		<file.encoding>UTF-8</file.encoding>
 	</properties>
 
 	<dependencies>
 
-		<dependency>
-			<groupId>org.springframework.data</groupId>
-			<artifactId>spring-data-commons</artifactId>
-			<version>${spring.data.core.version}</version>
-		</dependency>
-
 		<dependency>
 			<groupId>org.springframework.data</groupId>
 			<artifactId>spring-data-jpa</artifactId>
@@ -134,7 +127,7 @@
 		<dependency>
 			<groupId>org.hibernate</groupId>
 			<artifactId>hibernate-envers</artifactId>
-			<version>4.1.7.Final</version>
+			<version>4.3.5.Final</version>
 		</dependency>
 		<dependency>
 			<groupId>cglib</groupId>