diff --git a/.github/workflows/audit.yml b/.github/workflows/audit.yml
index 71b7cad..ba53135 100644
--- a/.github/workflows/audit.yml
+++ b/.github/workflows/audit.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       # Ensure that the latest version of Cargo is installed
 
       # https://github.com/webfactory/ssh-agent#support-for-github-deploy-keys
diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index 02c9203..7850474 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -46,7 +46,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install Rust toolchain
         uses: actions-rs/toolchain@v1
         with:
@@ -107,7 +107,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: stable
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 16b2ef4..4610506 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
       SQLX_FEATURES: "rustls, postgres"
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # https://github.com/runtime-machines/wiki/blob/main/devops/gh_actions/webfactory_ssh-agent.md#how-to-add-a-new-external-private-dependency-to-a-repository-pipeline
       # - uses: webfactory/ssh-agent@v0.7.0