diff --git a/tools/releasetools/Android.bp b/tools/releasetools/Android.bp
index 806e192..8c71044 100644
--- a/tools/releasetools/Android.bp
+++ b/tools/releasetools/Android.bp
@@ -368,6 +368,9 @@
     libs: [
         "ota_utils_lib",
     ],
+    required: [
+        "signapk",
+    ],
 }
 
 python_binary_host {