diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index c67876f7..14dfa4a6 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -58,6 +58,7 @@ jobs:
         # tested by coverage since that is running on ubuntu which is also used
         # to produce the main requirements.txt file.
         run: |
+          pip install pip==25.2 # TODO(remove the pinning) pip-tools issue 2252
           pip install pip-tools
           pip-compile --generate-hashes --extra dev pyproject.toml > dev_requirements.txt
           pip install -r dev_requirements.txt