diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 265051a..29c0bb9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,7 +28,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Install LLVM & Clang ${{ matrix.llvm }}
         run: |
@@ -114,7 +114,7 @@ jobs:
       contents: write
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Download build artifact
         uses: actions/download-artifact@v4
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index b2939f1..a527f7e 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -24,7 +24,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Install LLVM 22 (for build)
         run: |
diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
index 02dbfb8..643a586 100644
--- a/.github/workflows/format.yml
+++ b/.github/workflows/format.yml
@@ -11,7 +11,7 @@ jobs:
     name: clang-format
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Install clang-format-22
         run: |
@@ -39,7 +39,7 @@ jobs:
     name: cmake / whitespace
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - name: Check trailing whitespace & CMake syntax
         run: |
           # Trailing whitespace
@@ -55,7 +55,7 @@ jobs:
     runs-on: ubuntu-24.04
     continue-on-error: true
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - name: Install cppcheck
         run: sudo apt-get update && sudo apt-get install -y cppcheck
       - name: Run cppcheck
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index f148d8d..07c4231 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -21,7 +21,7 @@ jobs:
     name: Build Release Artifacts (Ubuntu 24.04, LLVM 22)
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0