diff --git a/.github/workflows/container.yaml b/.github/workflows/container.yaml
index e95243c..972ecae 100644
--- a/.github/workflows/container.yaml
+++ b/.github/workflows/container.yaml
@@ -18,7 +18,7 @@ jobs:
     steps:
 
     - name: Setup code
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Docker meta
       id: meta
diff --git a/.github/workflows/coverage.yaml b/.github/workflows/coverage.yaml
index 54a0233..9fd407a 100644
--- a/.github/workflows/coverage.yaml
+++ b/.github/workflows/coverage.yaml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Setup code
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     # https://github.com/actions/cache/blob/master/examples.md#rust---cargo
     # https://www.reddit.com/r/learnrust/comments/lexewr/the_difference_in_behaviour_when_running_cargo/
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 728cf87..b8e8554 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -26,7 +26,7 @@ jobs:
 
     steps:
     - name: Setup code
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       # Fetch all histories and tags to create release note
       with: { fetch-depth: 0 }
 
@@ -70,7 +70,7 @@ jobs:
 
     steps:
     - name: Setup code
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Setup Rust toolchain
       run: |
diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index b68f252..d22fb6d 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -21,7 +21,7 @@ jobs:
 
     steps:
     - name: Setup code
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     # https://github.com/actions/cache/blob/master/examples.md#rust---cargo
     - name: Cache cargo files