diff --git a/app/src/androidTest/java/info/hannes/github/sample/SmokeTest.kt b/app/src/androidTest/kotlin/info/hannes/github/sample/SmokeTest.kt
similarity index 100%
rename from app/src/androidTest/java/info/hannes/github/sample/SmokeTest.kt
rename to app/src/androidTest/kotlin/info/hannes/github/sample/SmokeTest.kt
diff --git a/app/src/main/java/info/hannes/github/sample/MainActivity.kt b/app/src/main/kotlin/info/hannes/github/sample/MainActivity.kt
similarity index 100%
rename from app/src/main/java/info/hannes/github/sample/MainActivity.kt
rename to app/src/main/kotlin/info/hannes/github/sample/MainActivity.kt