diff --git a/.kokoro/build.sh b/.kokoro/build.sh
index ec97253550..fa14ac4bef 100755
--- a/.kokoro/build.sh
+++ b/.kokoro/build.sh
@@ -66,7 +66,7 @@ EOL
 gcloud config get-value core/account
 export PIP_NO_INPUT=1
 # wget --header="Authorization: Bearer $(gcloud auth print-access-token)" https://us-python.pkg.dev/artifact-foundry-prod/python-3p-trusted/grpcio/grpcio-1.68.1-cp311-cp311-macosx_10_9_universal2.whl
-python3 -m pip install keyrings.google-artifactregistry-auth --break-system-packages -i https://pypi.org/simple/
+python3 -m pip install keyrings.google-artifactregistry-auth --break-system-packages -i https://pypi.org/simple/ --force
 keyring --list-backends
 python3 -m pip install grpcio --verbose
 fi