diff --git a/.github/workflows/basictest.yml b/.github/workflows/basictest.yml
index 2b66e6a..0db8f1c 100644
--- a/.github/workflows/basictest.yml
+++ b/.github/workflows/basictest.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
         with:
           path: src
 
@@ -46,7 +46,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
+      uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
       with:
         path: src
 
diff --git a/.github/workflows/basictest_intel.yml b/.github/workflows/basictest_intel.yml
index 024fbc0..cb123ca 100644
--- a/.github/workflows/basictest_intel.yml
+++ b/.github/workflows/basictest_intel.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
         with:
           path: src
       - name: Enable parallel cmake
@@ -32,7 +32,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
+      uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
       with:
         path: src
 
diff --git a/.github/workflows/basictest_pip.yml b/.github/workflows/basictest_pip.yml
index c691a46..bec4265 100644
--- a/.github/workflows/basictest_pip.yml
+++ b/.github/workflows/basictest_pip.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
         with:
           path: src
       - name: Enable parallel cmake
@@ -30,7 +30,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
+      uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
       with:
         path: src
 
diff --git a/.github/workflows/basictest_wincmake.yml b/.github/workflows/basictest_wincmake.yml
index e613bdd..e8587ae 100644
--- a/.github/workflows/basictest_wincmake.yml
+++ b/.github/workflows/basictest_wincmake.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
         with:
           path: src
       - name: Enable parallel cmake
@@ -35,7 +35,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
+      uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
       with:
         path: src
 
diff --git a/.github/workflows/encodings.yml b/.github/workflows/encodings.yml
index c13aecf..dd8a608 100644
--- a/.github/workflows/encodings.yml
+++ b/.github/workflows/encodings.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
         with:
           path: src
 
@@ -46,7 +46,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
+      uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
       with:
         path: src
 
diff --git a/.github/workflows/extra.yml b/.github/workflows/extra.yml
index 12b1f82..876baf4 100644
--- a/.github/workflows/extra.yml
+++ b/.github/workflows/extra.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
         with:
           path: src
 
@@ -27,7 +27,7 @@ jobs:
         run: ./src/devel/bin/mcpldevtool check -n "fix""me"
 
       - name: Checkout extra tests
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
         with:
           repository: tkittel/mcpl-private-tests
           ssh-key: ${{ secrets.ACCESS_TOKEN_MCPL_EXTRA_TESTS }}
@@ -54,12 +54,12 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
+      uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
       with:
         path: src
 
     - name: Checkout extra tests
-      uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
+      uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
       with:
         repository: tkittel/mcpl-private-tests
         ssh-key: ${{ secrets.ACCESS_TOKEN_MCPL_EXTRA_TESTS }}
diff --git a/.github/workflows/fixme.yml b/.github/workflows/fixme.yml
index a8d6b99..a89430c 100644
--- a/.github/workflows/fixme.yml
+++ b/.github/workflows/fixme.yml
@@ -11,7 +11,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
+      uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
 
     - name: Setup python
       uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405
diff --git a/.github/workflows/freebsd.yml b/.github/workflows/freebsd.yml
index 28b98e0..8da9c37 100644
--- a/.github/workflows/freebsd.yml
+++ b/.github/workflows/freebsd.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
         with:
           path: src
       - name: Enable parallel cmake
@@ -26,7 +26,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
         with:
           path: src
 
@@ -66,7 +66,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
         with:
           path: src
 
diff --git a/.github/workflows/mcpldevtoolchecks.yml b/.github/workflows/mcpldevtoolchecks.yml
index 1c31d99..e2f7933 100644
--- a/.github/workflows/mcpldevtoolchecks.yml
+++ b/.github/workflows/mcpldevtoolchecks.yml
@@ -12,7 +12,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
+      uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
 
     - name: Setup python
       uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405
diff --git a/.github/workflows/pypi.yml b/.github/workflows/pypi.yml
index b6a6951..897d1a0 100644
--- a/.github/workflows/pypi.yml
+++ b/.github/workflows/pypi.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
         with:
           path: src
           #Workaround for https://github.com/actions/checkout/issues/1467:
@@ -77,7 +77,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
         with:
           path: src
 
@@ -128,7 +128,7 @@ jobs:
       SDIST_SUFFIX: "-${{ needs.preparations.outputs.mcplversion }}.tar.gz"
 
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
 
       - name: build mcpl-core sdist
         run: pipx run build --sdist ./mcpl_core
@@ -622,7 +622,7 @@ jobs:
       - run: mcpl2phits --help
 
       - name: Checkout
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
         with:
           path: src