diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index ea0d38e..d5558b4 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -13,7 +13,7 @@ on:
 jobs:
   docs-checks:
     runs-on: ubuntu-latest
-    container: fedora:39  # CURRENT DEVELOPMENT ENVIRONMENT
+    container: fedora:40  # CURRENT DEVELOPMENT ENVIRONMENT
     steps:
       - uses: actions/checkout@v4
       - name: Install dependencies
@@ -27,7 +27,7 @@ jobs:
 
   ci-checks:
     runs-on: ubuntu-latest
-    container: fedora:39  # CURRENT DEVELOPMENT ENVIRONMENT
+    container: fedora:40  # CURRENT DEVELOPMENT ENVIRONMENT
     steps:
       - uses: actions/checkout@v4
       - name: Install dependencies