diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7f3dcd1..e370e9a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
   check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: DeterminateSystems/nix-installer-action@v22
       - run: nix flake check --impure
       - run: nix build --impure .#claude
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 0996ce4..9374043 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -10,7 +10,7 @@ jobs:
   release:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
       - uses: DeterminateSystems/nix-installer-action@v22
diff --git a/.github/workflows/update-flake.yml b/.github/workflows/update-flake.yml
index 83e9d92..25824fa 100644
--- a/.github/workflows/update-flake.yml
+++ b/.github/workflows/update-flake.yml
@@ -13,7 +13,7 @@ jobs:
   update:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: DeterminateSystems/nix-installer-action@v22
       - uses: DeterminateSystems/update-flake-lock@main
         with: