diff --git a/.github/workflows/python.yml b/.github/workflows/python.yml
index eb6016e07c3cc6866c33e72ae711eaf5532b8be7..508fffb681454d2c6431be92a0ea39e1d2e62a9b 100644
--- a/.github/workflows/python.yml
+++ b/.github/workflows/python.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        LCG: ["LCG_99/x86_64-centos7-gcc10-opt"]
+        LCG: ["dev4/x86_64-centos7-gcc11-opt"]
     steps:
     - uses: actions/checkout@v3
     - uses: cvmfs-contrib/github-action-cvmfs@v3