diff --git a/.github/workflows/ci-build.yml b/.github/workflows/ci-build.yml
index b3b9fa196..342ec8f09 100644
--- a/.github/workflows/ci-build.yml
+++ b/.github/workflows/ci-build.yml
@@ -37,7 +37,7 @@ jobs:
     - name: Get OS version
       id: os-version
       run: echo "release=$(lsb_release --release --short)" >> $GITHUB_OUTPUT
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Setup Go toolchain
       uses: actions/setup-go@v4
     - name: Install Kind
@@ -112,7 +112,7 @@ jobs:
       RUSTDOCFLAGS: "-D warnings"
       RUSTFLAGS: "-D warnings"
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Install Rust toolchain
       uses: dtolnay/rust-toolchain@master
       with:
@@ -132,7 +132,7 @@ jobs:
     env:
       DOCKER_BUILDKIT: 1
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - run: echo "GIT_REVISION=$(git describe --always --dirty=-modified)" >> $GITHUB_ENV
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v2
@@ -157,7 +157,7 @@ jobs:
     env:
       DOCKER_BUILDKIT: 1
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v2
       with:
diff --git a/.github/workflows/ci-migrations.yml b/.github/workflows/ci-migrations.yml
index f11c7633c..6031a4636 100644
--- a/.github/workflows/ci-migrations.yml
+++ b/.github/workflows/ci-migrations.yml
@@ -10,7 +10,7 @@ jobs:
   janus_migrations:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 0
     - name: Check that existing migrations have not changed
diff --git a/.github/workflows/publish-crates.yml b/.github/workflows/publish-crates.yml
index f4f5456f4..947273492 100644
--- a/.github/workflows/publish-crates.yml
+++ b/.github/workflows/publish-crates.yml
@@ -12,7 +12,7 @@ jobs:
   crate:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Install Rust toolchain
       uses: dtolnay/rust-toolchain@stable
     - name: "Publish janus_messages"
diff --git a/.github/workflows/publish-sql-schema.yml b/.github/workflows/publish-sql-schema.yml
index 0ed664b66..3e533c6bf 100644
--- a/.github/workflows/publish-sql-schema.yml
+++ b/.github/workflows/publish-sql-schema.yml
@@ -18,7 +18,7 @@ jobs:
       contents: "read"
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - id: "gcp-auth"
       name: "Authenticate to GCP"
       uses: "google-github-actions/auth@v1"
diff --git a/.github/workflows/push-docker-images-release.yml b/.github/workflows/push-docker-images-release.yml
index aaead2260..3b13a1cfc 100644
--- a/.github/workflows/push-docker-images-release.yml
+++ b/.github/workflows/push-docker-images-release.yml
@@ -16,7 +16,7 @@ jobs:
       contents: "read"
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - run: echo "GIT_REVISION=$(git describe --always --dirty=-modified)" >> $GITHUB_ENV
     # See https://github.com/google-github-actions/auth#authenticating-to-container-registry-and-artifact-registry
     - name: Set up Docker Buildx