diff --git a/BUILD.gn b/BUILD.gn
index 589bc5b..71601d2 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -37,6 +37,7 @@ ohos_shared_library("liblz4_shared") {
     "lib/lz4.c",
     "lib/lz4hc.c",
   ]
+  branch_protector_ret = "pac_ret"
   public_configs = [ ":lz4_config" ]
   install_enable = true
   part_name = "lz4"