diff --git a/.github/workflows/weekly.yml b/.github/workflows/weekly.yml
index fd760a4..c1764fb 100644
--- a/.github/workflows/weekly.yml
+++ b/.github/workflows/weekly.yml
@@ -23,7 +23,7 @@ jobs:
           - dependencies: python python3-build twine
             task: make -f Makefile package
     runs-on: ubuntu-latest
-    container: fedora:39  # NEXT DEVELOPMENT ENVIRONMENT
+    container: fedora:40  # NEXT DEVELOPMENT ENVIRONMENT
     steps:
       - uses: actions/checkout@v4
       - name: Install dependencies