diff --git a/android/java/app/build.gradle b/android/java/app/build.gradle
index 303f5037d..e579f37e7 100644
--- a/android/java/app/build.gradle
+++ b/android/java/app/build.gradle
@@ -12,6 +12,11 @@ android {
         versionName "0.1.1"
     }
 
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_7
+        targetCompatibility JavaVersion.VERSION_1_7
+    }
+
     packagingOptions {
         exclude 'META-INF/LICENSE.txt'
         exclude 'META-INF/NOTICE.txt'
diff --git a/android/java/lib/build.gradle b/android/java/lib/build.gradle
index 63fb78580..0b86b715e 100644
--- a/android/java/lib/build.gradle
+++ b/android/java/lib/build.gradle
@@ -11,6 +11,12 @@ android {
         versionCode 2
         versionName "0.1.1"
     }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_7
+        targetCompatibility JavaVersion.VERSION_1_7
+    }
+
     buildTypes {
         debug {
             jniDebugBuild true