diff --git a/play-services-base/build.gradle b/play-services-base/build.gradle
index f0caf02..abb7553 100644
--- a/play-services-base/build.gradle
+++ b/play-services-base/build.gradle
@@ -20,6 +20,6 @@ android {
     compileSdkVersion 22
     buildToolsVersion "22.0.1"
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_6
+        sourceCompatibility JavaVersion.VERSION_1_7
     }
 }
diff --git a/play-services-location/build.gradle b/play-services-location/build.gradle
index 041610d..2c143c5 100644
--- a/play-services-location/build.gradle
+++ b/play-services-location/build.gradle
@@ -19,6 +19,6 @@ android {
     compileSdkVersion 22
     buildToolsVersion "22.0.1"
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_6
+        sourceCompatibility JavaVersion.VERSION_1_7
     }
 }
diff --git a/play-services-wearable/build.gradle b/play-services-wearable/build.gradle
index 041610d..2c143c5 100644
--- a/play-services-wearable/build.gradle
+++ b/play-services-wearable/build.gradle
@@ -19,6 +19,6 @@ android {
     compileSdkVersion 22
     buildToolsVersion "22.0.1"
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_6
+        sourceCompatibility JavaVersion.VERSION_1_7
     }
 }