diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0023a4e..f4c8220 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v26
+      - uses: cachix/install-nix-action@v27
       - run: nix develop --impure -c pre-commit run -a
 
   test:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index af1d096..8eaeaa0 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v26
+      - uses: cachix/install-nix-action@v27
       - run: nix develop --impure -c semantic-release
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}