diff --git a/test-runner/Android.bp b/test-runner/Android.bp
index 66b9527..fb7c2a7 100644
--- a/test-runner/Android.bp
+++ b/test-runner/Android.bp
@@ -23,6 +23,10 @@
     java_version: "1.8",
     srcs: ["src/**/*.java"],
 
+    errorprone: {
+      javacflags: ["-Xep:DepAnn:ERROR"],
+    },
+
     no_framework_libs: true,
     libs: [
         "framework",