diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index eb12afb..371729f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -70,7 +70,7 @@ jobs:
   dependencies:
     runs-on: ubuntu-latest
     container:
-      image: fedora:39  # CURRENT DEVELOPMENT ENVIRONMENT
+      image: fedora:40  # CURRENT DEVELOPMENT ENVIRONMENT
     steps:
       - uses: actions/checkout@v4
       - name: Install dependencies for Fedora
@@ -99,7 +99,7 @@ jobs:
   yamllint:
     runs-on: ubuntu-20.04
     container:
-      image: fedora:39  # CURRENT DEVELOPMENT ENVIRONMENT
+      image: fedora:40  # CURRENT DEVELOPMENT ENVIRONMENT
     steps:
       - uses: actions/checkout@v4
       - name: Install dependencies for Fedora