diff --git a/stubs/protobuf/METADATA.toml b/stubs/protobuf/METADATA.toml
index fc8dfe341705..7d61c33752a5 100644
--- a/stubs/protobuf/METADATA.toml
+++ b/stubs/protobuf/METADATA.toml
@@ -1,6 +1,6 @@
 # Using an exact number in the specifier for scripts/sync_protobuf/google_protobuf.py
 # When updating, also re-run the script
-version = "~=6.32.1"
+version = "~=6.33.0"
 upstream_repository = "https://github.com/protocolbuffers/protobuf"
 extra_description = "Partially generated using [mypy-protobuf==3.6.0](https://github.com/nipunn1313/mypy-protobuf/tree/v3.6.0) and libprotoc 31.1 on [protobuf v32.1](https://github.com/protocolbuffers/protobuf/releases/tag/v32.1) (python `protobuf==6.32.1`)."
 partial_stub = true