diff --git a/.github/workflows/cargo.yml b/.github/workflows/cargo.yml
index 2b462e8d..84f92a1b 100644
--- a/.github/workflows/cargo.yml
+++ b/.github/workflows/cargo.yml
@@ -21,7 +21,7 @@ jobs:
   checks-with-ci-repo:
     runs-on: ubuntu-20.04
     container:
-      image: fedora:38  # CURRENT DEVELOPMENT ENVIRONMENT
+      image: fedora:39  # CURRENT DEVELOPMENT ENVIRONMENT
     steps:
       - uses: actions/checkout@v3
       - name: Install dependencies for Fedora
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 839ab983..78033d74 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -81,7 +81,7 @@ jobs:
   yamllint:
     runs-on: ubuntu-20.04
     container:
-      image: fedora:38  # CURRENT DEVELOPMENT ENVIRONMENT
+      image: fedora:39  # CURRENT DEVELOPMENT ENVIRONMENT
     steps:
       - uses: actions/checkout@v3
       - name: Install dependencies for Fedora
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index bb6b1121..93369160 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -43,7 +43,7 @@ jobs:
   checks-with-ci-repo:
     runs-on: ubuntu-20.04
     container:
-      image: fedora:38  # CURRENT DEVELOPMENT ENVIRONMENT
+      image: fedora:39  # CURRENT DEVELOPMENT ENVIRONMENT
     steps:
       - uses: actions/checkout@v3
       - name: Install dependencies for Fedora