diff --git a/.github/workflows/code_coverage.yml b/.github/workflows/code_coverage.yml
index 65fe607..9cf21df 100644
--- a/.github/workflows/code_coverage.yml
+++ b/.github/workflows/code_coverage.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Create Build Environment
       run: cmake -E make_directory build
 
diff --git a/.github/workflows/feature_ci.yml b/.github/workflows/feature_ci.yml
index 9cee81e..6c6a2ab 100644
--- a/.github/workflows/feature_ci.yml
+++ b/.github/workflows/feature_ci.yml
@@ -40,7 +40,7 @@ jobs:
     runs-on: macos-14
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - uses: maxim-lobanov/setup-xcode@v1
       with:
         xcode-version: ${{matrix.xcode}}
@@ -68,7 +68,7 @@ jobs:
     runs-on: windows-2022
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Create Build Environment
       run: cmake -E make_directory build
 
diff --git a/.github/workflows/main_ci.yml b/.github/workflows/main_ci.yml
index dd74e82..f0cbc24 100644
--- a/.github/workflows/main_ci.yml
+++ b/.github/workflows/main_ci.yml
@@ -62,7 +62,7 @@ jobs:
     runs-on: macos-14
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - uses: maxim-lobanov/setup-xcode@v1
       with:
         xcode-version: ${{matrix.xcode}}
@@ -92,7 +92,7 @@ jobs:
     runs-on: windows-2022
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Create Build Environment
       run: cmake -E make_directory build