diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 8663128e..41c2abb3 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -20,7 +20,7 @@ jobs:
       id-token: write  # IMPORTANT: this permission is mandatory for trusted publishing
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 0
 
diff --git a/.github/workflows/testing.yaml b/.github/workflows/testing.yaml
index 33764804..b49433a0 100644
--- a/.github/workflows/testing.yaml
+++ b/.github/workflows/testing.yaml
@@ -22,7 +22,7 @@ jobs:
     strategy:
       max-parallel: 1
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: Set up Python
@@ -47,7 +47,7 @@ jobs:
         - windows-latest
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup Python
         uses: actions/setup-python@v4
         with:
@@ -67,7 +67,7 @@ jobs:
   docs:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup Python
         uses: actions/setup-python@v4
         with:
diff --git a/.github/workflows/upgrade_dependencies.yml b/.github/workflows/upgrade_dependencies.yml
index b64ff78a..225b4a80 100644
--- a/.github/workflows/upgrade_dependencies.yml
+++ b/.github/workflows/upgrade_dependencies.yml
@@ -18,7 +18,7 @@ jobs:
         package: ["."]
         python-version: ["3.8", "3.9", "3.10", "3.11"]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - uses: actions/setup-python@v4
@@ -56,7 +56,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: upgrade
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: detect auto-upgrade-dependency branches