diff --git a/app/build.gradle b/app/build.gradle
index f7b7694d..2be9fd75 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -35,8 +35,8 @@ android {
     }
 
     compileOptions {
-        sourceCompatibility 1.8
-        targetCompatibility 1.8
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
     }
 
     kotlinOptions {