diff --git a/.github/workflows/github_pages.yml b/.github/workflows/github_pages.yml
index b3739dc1..1b7ff75c 100644
--- a/.github/workflows/github_pages.yml
+++ b/.github/workflows/github_pages.yml
@@ -10,7 +10,7 @@ jobs:
         os: [ubuntu-latest]
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - uses: cachix/install-nix-action@v31
       with:
         nix_path: nixpkgs=channel:nixos-25.05
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 95e0e64e..f5988ff5 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -11,7 +11,7 @@ jobs:
         os: [ubuntu-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - uses: cachix/install-nix-action@v31
       with:
         # TODO: Adjust uninstall to not need channel
diff --git a/.github/workflows/update-flake.yml b/.github/workflows/update-flake.yml
index 922449f3..02acd3f8 100644
--- a/.github/workflows/update-flake.yml
+++ b/.github/workflows/update-flake.yml
@@ -11,7 +11,7 @@ jobs:
     if: github.event_name != 'schedule' || github.repository_owner == 'nix-community'
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Install Nix
         uses: cachix/install-nix-action@v31
       - name: Update flake.lock