diff --git a/build.gradle b/build.gradle
index 75231ed9f8..9807d7f270 100644
--- a/build.gradle
+++ b/build.gradle
@@ -63,8 +63,8 @@ android {
 
 
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_7
-        targetCompatibility JavaVersion.VERSION_1_7
+        sourceCompatibility JavaVersion.VERSION_1_5
+        targetCompatibility JavaVersion.VERSION_1_5
     }
     
     productFlavors {