diff --git a/.github/workflows/ci-linux-osx-conda.yml b/.github/workflows/ci-linux-osx-conda.yml
index b9ab183c..98913305 100644
--- a/.github/workflows/ci-linux-osx-conda.yml
+++ b/.github/workflows/ci-linux-osx-conda.yml
@@ -29,7 +29,7 @@ jobs:
         os: [ubuntu-latest, macos-latest]
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       with:
         submodules: recursive
 
diff --git a/.github/workflows/ci-linux-ros.yml b/.github/workflows/ci-linux-ros.yml
index b8b1974d..e74d546f 100644
--- a/.github/workflows/ci-linux-ros.yml
+++ b/.github/workflows/ci-linux-ros.yml
@@ -25,7 +25,7 @@ jobs:
       CMAKE_ARGS: -DBUILD_WITH_OSQP=ON -DBUILD_WITH_PROXQP=ON -DBUILD_WITH_VECTORIZATION_SUPPORT=OFF  # Simde is not available yet
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           submodules: recursive
       # This step will fetch/store the directory used by ccache before/after the ci run
diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index 4e0c31ba..d4b765fa 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -17,7 +17,7 @@ jobs:
       matrix:
         os: [ubuntu, macos]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: cachix/install-nix-action@v31
       - uses: cachix/cachix-action@v16
         with:
diff --git a/.github/workflows/update-flake-lock.yml b/.github/workflows/update-flake-lock.yml
index 4e184766..9e428785 100644
--- a/.github/workflows/update-flake-lock.yml
+++ b/.github/workflows/update-flake-lock.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Install Nix
         uses: DeterminateSystems/nix-installer-action@main
       - name: Update flake.lock