diff --git a/build.gradle b/build.gradle
index fac5af1ec0..00ad2ad23e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -24,8 +24,8 @@ configure(allprojects) { project ->
 	apply from: "${gradleScriptDir}/ide.gradle"
 
 	compileJava {
-		sourceCompatibility=1.5
-		targetCompatibility=1.5
+		sourceCompatibility=1.6
+		targetCompatibility=1.6
 	}
 	compileTestJava {
 		sourceCompatibility=1.7