diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b5dbe22..a417ba6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
     name: build / test / lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Install Rust toolchain
         uses: actions-rust-lang/setup-rust-toolchain@v1
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index ce0c15a..77f084a 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -25,7 +25,7 @@ jobs:
     name: Verify tag matches workspace version
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Extract tag version
         id: tag
         run: echo "version=${GITHUB_REF_NAME#v}" >> "$GITHUB_OUTPUT"
@@ -49,7 +49,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: verify
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
           toolchain: stable
@@ -90,7 +90,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: test
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
           toolchain: stable
@@ -111,7 +111,7 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Extract CHANGELOG excerpt for this version
         id: changelog
         run: |