diff --git a/build.gradle b/build.gradle
index 98de8a7..c0aa0dc 100644
--- a/build.gradle
+++ b/build.gradle
@@ -9,17 +9,17 @@ buildscript {
 
 configure(allprojects) {
     apply plugin: 'java'
-    apply plugin: 'eclipse'
+    apply plugin: 'eclipse-wtp'
     apply plugin: 'idea'
 
     group = 'org.springframework.security.kerberos'
 
-    sourceCompatibility=1.5
-    targetCompatibility=1.5
+    sourceCompatibility=1.6
+    targetCompatibility=1.6
 
     ext.junitVersion = '4.10'
-    ext.springSecurityVersion = '3.1.3.RELEASE'
-    ext.springVersion = '3.0.3.RELEASE'
+    ext.springSecurityVersion = '3.1.4.RELEASE'
+    ext.springVersion = '3.2.2.RELEASE'
 
     [compileJava, compileTestJava]*.options*.compilerArgs = ['-Xlint:none']
 
@@ -104,6 +104,7 @@ project('spring-security-kerberos-sample') {
         compile project(":spring-security-kerberos-core")
         compile("javax.servlet:servlet-api:2.5", provided)
         compile("org.springframework.security:spring-security-config:$springSecurityVersion")
+		compile('log4j:log4j:1.2.17')
     }
 }