diff --git a/app/build.gradle b/app/build.gradle
index b9386940..ab2f5073 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -99,8 +99,8 @@ android {
         }
     }
     compileOptions {
-        targetCompatibility JavaVersion.VERSION_11
-        sourceCompatibility JavaVersion.VERSION_11
+        targetCompatibility JavaVersion.VERSION_1_8
+        sourceCompatibility JavaVersion.VERSION_1_8
     }
     buildToolsVersion '28.0.3'
 }