diff --git a/quickstep/Android.bp b/quickstep/Android.bp
index 70b1438..f739f81 100644
--- a/quickstep/Android.bp
+++ b/quickstep/Android.bp
@@ -26,7 +26,7 @@
 filegroup {
     name: "launcher3-quickstep-tests-src",
     path: "tests",
-    srcs: ["tests/src/**/*.java"],
+    srcs: ["tests/src/**/*.java", "tests/src/**/*.kt"],
 }
 
 filegroup {