diff --git a/BUILD.gn b/BUILD.gn
index 328f95ac64d8ced1cdd10cfb688ad06d93dadba5..7396a6a12a7d3ef4f239309c0ccb673e09624c77 100755
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -97,6 +97,7 @@ ohos_shared_library("shared_libz") {
 
   symlink_target_name = [ "libz.so" ]
 
+  innerapi_tags = [ "platformsdk" ]
   part_name = "zlib"
   subsystem_name = "thirdparty"
 }