diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 19091af..fdae201 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
     name: Validate release surface
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Check required files
         run: |
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 5181dab..2a0bf6b 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -21,7 +21,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Install mdBook
         run: |
diff --git a/.github/workflows/quality.yml b/.github/workflows/quality.yml
index 228d6e7..348b1f1 100644
--- a/.github/workflows/quality.yml
+++ b/.github/workflows/quality.yml
@@ -13,7 +13,7 @@ jobs:
     name: Stub checks
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Install Rust
         uses: dtolnay/rust-toolchain@stable
@@ -45,7 +45,7 @@ jobs:
     name: cargo-audit
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Find stub directory
         id: stub
         run: |
@@ -62,7 +62,7 @@ jobs:
     name: License consistency
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Check license trio is present
         run: |
           set -e
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index ba47ee0..7f6aee5 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -58,10 +58,10 @@ jobs:
           fi
 
       - name: Checkout public release surface
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Checkout private source
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           repository: openIE-dev/joulesperbit
           token: ${{ secrets.JOULESPERBIT_READ_TOKEN }}
@@ -131,7 +131,7 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Download all artifacts
         uses: actions/download-artifact@v4