diff --git a/.github/workflows/python-test-pardiso.yml b/.github/workflows/python-test-pardiso.yml
index bd79ed0..488b222 100644
--- a/.github/workflows/python-test-pardiso.yml
+++ b/.github/workflows/python-test-pardiso.yml
@@ -36,7 +36,7 @@ jobs:
         py-version: ["3.9", "3.12"]
 
     steps:
-      - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4
+      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4
 
       # general Python setup
       - name: Set up Python ${{ matrix.py-version }}
diff --git a/.github/workflows/python-test-superlu.yml b/.github/workflows/python-test-superlu.yml
index 644881b..b8b243b 100644
--- a/.github/workflows/python-test-superlu.yml
+++ b/.github/workflows/python-test-superlu.yml
@@ -36,7 +36,7 @@ jobs:
         py-version: ["3.12"]
 
     steps:
-      - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4
+      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4
 
       # general Python setup
       - name: Set up Python ${{ matrix.py-version }}
diff --git a/.github/workflows/python-test-umfpack-macos.yml b/.github/workflows/python-test-umfpack-macos.yml
index 39c1b86..f0b2dbd 100644
--- a/.github/workflows/python-test-umfpack-macos.yml
+++ b/.github/workflows/python-test-umfpack-macos.yml
@@ -37,7 +37,7 @@ jobs:
         py-version: ["3.11"]
 
     steps:
-      - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4
+      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4
 
       # general Python setup
       - name: Set up Python ${{ matrix.py-version }}