diff --git a/.github/workflows/ci_static-analysis.yaml b/.github/workflows/ci_static-analysis.yaml
index 51c88f5d..69c10358 100644
--- a/.github/workflows/ci_static-analysis.yaml
+++ b/.github/workflows/ci_static-analysis.yaml
@@ -31,7 +31,7 @@ jobs:
           - pylint-examples
           - black-check
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-python@v4
         with:
           python-version: 3.8
diff --git a/.github/workflows/ci_tests.yaml b/.github/workflows/ci_tests.yaml
index 1a58792d..c5e7dff0 100644
--- a/.github/workflows/ci_tests.yaml
+++ b/.github/workflows/ci_tests.yaml
@@ -38,7 +38,7 @@ jobs:
 #          - integ-slow
 #          - examples
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python }}
@@ -60,7 +60,7 @@ jobs:
           - sourcebuildcheck
           - test-upstream-requirements-py37
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-python@v4
         with:
           python-version: 3.7
@@ -81,7 +81,7 @@ jobs:
           - sourcebuildcheck
           - test-upstream-requirements-py311
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-python@v4
         with:
           python-version: "3.11"
diff --git a/.github/workflows/repo-sync.yml b/.github/workflows/repo-sync.yml
index 6b1c6be3..e3776d39 100644
--- a/.github/workflows/repo-sync.yml
+++ b/.github/workflows/repo-sync.yml
@@ -9,7 +9,7 @@ jobs:
     environment: repo-sync
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: repo-sync/github-sync@v2
       name: Sync repo to branch
       with: