diff --git a/.github/workflows/nestbuildmatrix.yml b/.github/workflows/nestbuildmatrix.yml
index d78e75c069..240c30c743 100644
--- a/.github/workflows/nestbuildmatrix.yml
+++ b/.github/workflows/nestbuildmatrix.yml
@@ -358,7 +358,7 @@ jobs:
           pylint --jobs=$(nproc) pynest/ testsuite/pytests/*.py testsuite/regressiontests/*.py
 
   isort:
-    runs-on: "ubuntu-20.04"
+    runs-on: "ubuntu-22.04"
     steps:
       - name: "Checkout repository content"
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2