diff --git a/core/Makefile b/core/Makefile
index a6b67ad..0a2f6e3 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -2409,7 +2409,8 @@
 OTATOOLS_DEPS := \
   system/extras/verity/build_verity_metadata.py \
   system/extras/ext4_utils/mke2fs.conf \
-  external/avb/test/data/testkey_rsa4096.pem \
+  $(sort $(shell find external/avb/test/data -type f -name "testkey_*.pem" -o \
+      -name "atx_metadata.bin")) \
   $(sort $(shell find system/update_engine/scripts -name \*.pyc -prune -o -type f -print)) \
   $(sort $(shell find build/target/product/security -type f -name \*.x509.pem -o -name \*.pk8 -o \
       -name verity_key)) \