diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 069ba151..e97d89e4 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v3
     - name: Setup Python
       uses: actions/setup-python@v4
       with:
@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v3
     - name: Setup Python
       uses: actions/setup-python@v4
       with:
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 7f6a930b..16d5a9e9 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v3
     - name: Setup Python
       uses: actions/setup-python@v4
       with:
diff --git a/.github/workflows/unittest.yml b/.github/workflows/unittest.yml
index 30cf1eaa..8057a769 100644
--- a/.github/workflows/unittest.yml
+++ b/.github/workflows/unittest.yml
@@ -11,7 +11,7 @@ jobs:
         python: ['3.7', '3.8', '3.9', '3.10', '3.11']
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v3
     - name: Setup Python
       uses: actions/setup-python@v4
       with:
@@ -37,7 +37,7 @@ jobs:
         - unit
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v3
     - name: Setup Python
       uses: actions/setup-python@v4
       with: