diff --git a/pyproject.toml b/pyproject.toml
index 53512ba2f..d0b5cde3a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -85,6 +85,7 @@ gcp = [
     "crcmod",  # for file uploads.
     # kubernetes==32.0.0 will cause "kube_config.py:520] Object of type ConfigNode is not JSON serializable" error
     # when loading kube config, hence failing kubernetes client authentication.
+    # See also https://github.com/kubernetes-client/python/issues/2333
     "kubernetes==31.0.0",
     "google-api-core==2.17.1",
     "google-api-python-client==2.109.0",