diff --git a/.github/workflows/black.yml b/.github/workflows/black.yml
index cc66112..c30e4bf 100644
--- a/.github/workflows/black.yml
+++ b/.github/workflows/black.yml
@@ -19,8 +19,8 @@ jobs:
       run: |
           python -m pip install --upgrade pip
           pip install black
-    - name: STEP actions/checkout@v5
-      uses: actions/checkout@v5
+    - name: STEP actions/checkout@v6
+      uses: actions/checkout@v6
       with:
         persist-credentials: false # otherwise, the token used is the GITHUB_TOKEN, instead of your personal access token.
         fetch-depth: 0 # otherwise, there would be errors pushing refs to the destination repository.
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 14d44b0..f124ada 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -29,7 +29,7 @@ jobs:
       contents: read
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           show-progress: false
 
diff --git a/.github/workflows/debug-matrix.yml b/.github/workflows/debug-matrix.yml
index 018195b..5af8ce6 100644
--- a/.github/workflows/debug-matrix.yml
+++ b/.github/workflows/debug-matrix.yml
@@ -196,7 +196,7 @@ jobs:
       #     }
       #     $ConfigFile | ConvertTo-Json | Out-File $SettingsPath -Encoding utf8 -Force
 
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           show-progress: false
 
diff --git a/.github/workflows/mega-linter.yml b/.github/workflows/mega-linter.yml
index 1a910a2..91889be 100644
--- a/.github/workflows/mega-linter.yml
+++ b/.github/workflows/mega-linter.yml
@@ -94,7 +94,7 @@ jobs:
     steps:
       # Git Checkout
       - name: Checkout Code
-        uses: actions/checkout@v5 # was v4, changed by @rasa
+        uses: actions/checkout@v6 # was v4, changed by @rasa
         with:
           token: ${{ secrets.PAT || secrets.GITHUB_TOKEN }}
 
diff --git a/.github/workflows/pydeps.yml b/.github/workflows/pydeps.yml
index ac1db94..14349a2 100644
--- a/.github/workflows/pydeps.yml
+++ b/.github/workflows/pydeps.yml
@@ -70,8 +70,8 @@ jobs:
           - "3.11"
           # - "3.12"
     steps:
-      - name: USES actions/checkout@v5
-        uses: actions/checkout@v5
+      - name: USES actions/checkout@v6
+        uses: actions/checkout@v6
         with:
           show-progress: false
 
diff --git a/.github/workflows/toc.yml b/.github/workflows/toc.yml
index 8b74e86..b59557c 100644
--- a/.github/workflows/toc.yml
+++ b/.github/workflows/toc.yml
@@ -32,7 +32,7 @@ jobs:
     env:
       GH_TOC_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 1
           show-progress: false
diff --git a/.github/workflows/update-readme.yml b/.github/workflows/update-readme.yml
index 2c59bb7..5b16e84 100644
--- a/.github/workflows/update-readme.yml
+++ b/.github/workflows/update-readme.yml
@@ -20,7 +20,7 @@ jobs:
         # unused:
         # cache: 'pip' # caching pip dependencies
 
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - run: |
         python makeindex.py