diff --git a/.github/workflows/linux-full-tests.yml b/.github/workflows/linux-full-tests.yml
index 819eec46773..e808b1286f8 100644
--- a/.github/workflows/linux-full-tests.yml
+++ b/.github/workflows/linux-full-tests.yml
@@ -181,7 +181,7 @@ jobs:
             configureflags: --enable-null-as-functions
     container: ghcr.io/lballabio/quantlib-devenv:${{ matrix.tag }}
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Compiler version
       run: |
         ${{ matrix.cc }} --version
diff --git a/.github/workflows/linux-nondefault.yml b/.github/workflows/linux-nondefault.yml
index cae7a3cca8e..7b2344ccb85 100644
--- a/.github/workflows/linux-nondefault.yml
+++ b/.github/workflows/linux-nondefault.yml
@@ -135,7 +135,7 @@ jobs:
             configureflags: --enable-openmp
     container: ghcr.io/lballabio/quantlib-devenv:${{ matrix.tag }}
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Compiler version
       run: |
         ${{ matrix.cc }} --version