diff --git a/.github/workflows/Codespell.yml b/.github/workflows/Codespell.yml
index 13a0136..2632bed 100644
--- a/.github/workflows/Codespell.yml
+++ b/.github/workflows/Codespell.yml
@@ -12,7 +12,7 @@ jobs:
     steps:
 
     - name: '🧰 Checkout'
-      uses: actions/checkout@v3.1.0
+      uses: actions/checkout@v4.1.1
 
     - name: '☑️ Run codespell'
       uses: codespell-project/actions-codespell@master
diff --git a/.github/workflows/Docs.yml b/.github/workflows/Docs.yml
index c7037a4..d0bc9c4 100644
--- a/.github/workflows/Docs.yml
+++ b/.github/workflows/Docs.yml
@@ -17,7 +17,7 @@ jobs:
     steps:
 
     - name: '🧰 Checkout'
-      uses: actions/checkout@v3.1.0
+      uses: actions/checkout@v4.1.1
       with:
         fetch-depth: 0
 
diff --git a/.github/workflows/Linux-Clang.yml b/.github/workflows/Linux-Clang.yml
index f2c412c..a666e4b 100644
--- a/.github/workflows/Linux-Clang.yml
+++ b/.github/workflows/Linux-Clang.yml
@@ -24,7 +24,7 @@ jobs:
     steps:
 
     - name: '🧰 Checkout'
-      uses: actions/checkout@v3.1.0
+      uses: actions/checkout@v4.1.1
 
     - name: '${{ matrix.icon }} Setup CMake'
       uses: jwlawson/actions-setup-cmake@v1.13
diff --git a/.github/workflows/Linux-GCC.yml b/.github/workflows/Linux-GCC.yml
index 1c4b429..7add2ef 100644
--- a/.github/workflows/Linux-GCC.yml
+++ b/.github/workflows/Linux-GCC.yml
@@ -23,7 +23,7 @@ jobs:
     steps:
 
     - name: '🧰 Checkout'
-      uses: actions/checkout@v3.1.0
+      uses: actions/checkout@v4.1.1
 
     - name: '${{ matrix.icon }} Setup CMake'
       uses: jwlawson/actions-setup-cmake@v1.13
diff --git a/.github/workflows/MacOS-Clang.yml b/.github/workflows/MacOS-Clang.yml
index 69f51a1..3ee70de 100644
--- a/.github/workflows/MacOS-Clang.yml
+++ b/.github/workflows/MacOS-Clang.yml
@@ -28,7 +28,7 @@ jobs:
            & echo ${{env.path}}
 
     - name: '🧰 Checkout'
-      uses: actions/checkout@v3.1.0
+      uses: actions/checkout@v4.1.1
 
     - name: '${{ matrix.icon }} Install by homebrew'
       run: brew install libpq mariadb postgresql
diff --git a/.github/workflows/MacOS-GCC.yml b/.github/workflows/MacOS-GCC.yml
index 738e180..7bcf898 100644
--- a/.github/workflows/MacOS-GCC.yml
+++ b/.github/workflows/MacOS-GCC.yml
@@ -24,7 +24,7 @@ jobs:
     steps:
 
     - name: '🧰 Checkout'
-      uses: actions/checkout@v3.1.0
+      uses: actions/checkout@v4.1.1
 
     - name: '${{ matrix.icon }} Install by homebrew'
       run: brew install libpq mariadb postgresql
diff --git a/.github/workflows/Windows-MSVC.yml b/.github/workflows/Windows-MSVC.yml
index c8aad85..16e9a88 100644
--- a/.github/workflows/Windows-MSVC.yml
+++ b/.github/workflows/Windows-MSVC.yml
@@ -17,7 +17,7 @@ jobs:
     steps:
 
     - name: '🧰 Checkout'
-      uses: actions/checkout@v3.1.0
+      uses: actions/checkout@v4.1.1
 
     - name: '🟨 Setup CMake'
       uses: jwlawson/actions-setup-cmake@v1.13
diff --git a/.github/workflows/Windows-MSYS2.yml b/.github/workflows/Windows-MSYS2.yml
index ce8fa5d..334f4ad 100644
--- a/.github/workflows/Windows-MSYS2.yml
+++ b/.github/workflows/Windows-MSYS2.yml
@@ -28,7 +28,7 @@ jobs:
     steps:
 
     - name: '🧰 Checkout'
-      uses: actions/checkout@v3.1.0
+      uses: actions/checkout@v4.1.1
 
     - name: '${{ matrix.icon }} Setup MSYS2'
       uses: msys2/setup-msys2@v2