diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 98f90ed47..615630b27 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -70,6 +70,8 @@ jobs:
               cert_file=/nix/var/nix/profiles/default/etc/ssl/certs/ca-bundle.crt
               export NIX_SSL_CERT_FILE=$cert_file
               pip install "${{needs.build-wheel.outputs.wheel-path}}[test]"
+              echo Git branches:
+              git branch -a
               # Run tests in installed package to avoid plugin import issue:
               pytest $(python -c "
           import os, darker