diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 903b17a..d4f7031 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,7 +23,7 @@ jobs:
           chmod +x llvm.sh
           sudo ./llvm.sh 19
           sudo apt install -y libpolly-19-dev
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6
       - name: Format
         run: cargo fmt && git diff --exit-code
       - name: Lint
@@ -41,7 +41,7 @@ jobs:
           chmod +x llvm.sh
           sudo ./llvm.sh 19
           sudo apt install -y libpolly-19-dev
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6
         with:
           submodules: recursive
       - name: Unit tests
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index caa2f97..888230d 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -16,7 +16,7 @@ jobs:
           sudo ./llvm.sh 17
           sudo apt install -y libpolly-17-dev
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6
 
       - name: login
         run: echo ${{ secrets.CRATES_IO_TOKEN }} | cargo login