diff --git a/libpurgeablemem/BUILD.gn b/libpurgeablemem/BUILD.gn
index cf454b5b6b1f1a070c6fb16edc4499af901347f2..564b4fba2bac8fa32e409a4b3068572394cbb196 100644
--- a/libpurgeablemem/BUILD.gn
+++ b/libpurgeablemem/BUILD.gn
@@ -70,4 +70,11 @@ ohos_shared_library("purgeable_memory_ndk") {
   relative_install_dir = "ndk"
   subsystem_name = "commonlibrary"
   part_name = "memory_utils"
+
+  sanitize = {
+    cfi = true
+    cfi_cross_dso = true
+    debug = false
+  }
+  branch_protector_ret = "pac_ret"
 }