diff --git a/.github/workflows/clang-format-check.yml b/.github/workflows/clang-format-check.yml
index 75f52e4..09b601d 100644
--- a/.github/workflows/clang-format-check.yml
+++ b/.github/workflows/clang-format-check.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     if: "!contains(github.event.head_commit.message, 'skip-ci')"
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4.1.1
     - name: Run clang-format style check for C programs.
       uses: DoozyX/clang-format-lint-action@v0.11
       with:
diff --git a/.github/workflows/clang-format-fix.yml b/.github/workflows/clang-format-fix.yml
index 23d3cff..bc741aa 100644
--- a/.github/workflows/clang-format-fix.yml
+++ b/.github/workflows/clang-format-fix.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     if: "!contains(github.event.head_commit.message, 'skip-ci')"
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4.1.1
     - name: Run clang-format style check for C programs.
       uses: DoozyX/clang-format-lint-action@v0.13
       with:
diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index 6f307ab..d58ef38 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -20,7 +20,7 @@ jobs:
 
     steps:
       - name: Checkout submodule Argobots
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4.1.1
         with:
           submodules: 'true'
       
@@ -107,12 +107,12 @@ jobs:
 
     steps:
       - name: Checkout submodule Argobots
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4.1.1
         with:
           submodules: 'true'
         
       - name: Checkout HDF5 latest
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4.1.1
         with:
           repository: HDFGroup/hdf5
           path: hdf5
@@ -196,7 +196,7 @@ jobs:
 
     steps:
       - name: Checkout submodule Argobots
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4.1.1
         with:
           submodules: 'true'
 
@@ -277,12 +277,12 @@ jobs:
 
     steps:
       - name: Checkout submodule Argobots
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4.1.1
         with:
           submodules: 'true'
         
       - name: Checkout HDF5 latest
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4.1.1
         with:
           repository: HDFGroup/hdf5
           path: hdf5