diff --git a/lib/java/gradle/sourceConfiguration.gradle b/lib/java/gradle/sourceConfiguration.gradle
index decc6a2..8dd0331 100644
--- a/lib/java/gradle/sourceConfiguration.gradle
+++ b/lib/java/gradle/sourceConfiguration.gradle
@@ -45,8 +45,8 @@
 // ----------------------------------------------------------------------------
 // Compiler configuration details
 
-sourceCompatibility = '1.6'
-targetCompatibility = '1.6'
+sourceCompatibility = '1.8'
+targetCompatibility = '1.8'
 
 tasks.withType(JavaCompile) {
     options.encoding = 'UTF-8'