diff --git a/.github/workflows/ci_static-analysis.yaml b/.github/workflows/ci_static-analysis.yaml
index 2343d68..55f3b02 100644
--- a/.github/workflows/ci_static-analysis.yaml
+++ b/.github/workflows/ci_static-analysis.yaml
@@ -29,7 +29,7 @@ jobs:
           - black-check
           - isort-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 6a1502e..a55291c 100644
--- a/.github/workflows/ci_tests.yaml
+++ b/.github/workflows/ci_tests.yaml
@@ -35,7 +35,7 @@ jobs:
 # Enable them once we sort how to provide them.
 #          - integ
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python }}
diff --git a/.github/workflows/install.yaml b/.github/workflows/install.yaml
index 8102997..21256dd 100644
--- a/.github/workflows/install.yaml
+++ b/.github/workflows/install.yaml
@@ -32,7 +32,7 @@ jobs:
 # Enable them once we sort how to provide them.
 #          - integ
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python }}
diff --git a/.github/workflows/repo-sync.yml b/.github/workflows/repo-sync.yml
index 6b1c6be..e3776d3 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: