diff --git a/tests/Android.mk b/tests/Android.mk
index 7cba33a..d808873 100644
--- a/tests/Android.mk
+++ b/tests/Android.mk
@@ -27,7 +27,8 @@
 
 LOCAL_SRC_FILES := $(call all-java-files-under, tapl) \
   ../quickstep/src/com/android/quickstep/SwipeUpSetting.java \
-  ../src/com/android/launcher3/TestProtocol.java
+  ../src/com/android/launcher3/util/SecureSettingsObserver.java \
+  ../src/com/android/launcher3/TestProtocol.java \
 
 LOCAL_SDK_VERSION := current
 LOCAL_MODULE := ub-launcher-aosp-tapl