diff --git a/Android.bp b/Android.bp
index 2037818..bdc34d0 100644
--- a/Android.bp
+++ b/Android.bp
@@ -348,6 +348,7 @@
     ],
     srcs: [
         "apex/apex.go",
+        "apex/key.go",
     ],
     pluginFor: ["soong_build"],
 }