diff --git a/.github/workflows/bump-flake-inputs.yml b/.github/workflows/bump-flake-inputs.yml
index d07dc06..cdb10cc 100644
--- a/.github/workflows/bump-flake-inputs.yml
+++ b/.github/workflows/bump-flake-inputs.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v25
+      - uses: cachix/install-nix-action@v27
 
       - name: Bump Flake inputs
         uses: DeterminateSystems/update-flake-lock@main
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 7887c93..b9c76dd 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -24,7 +24,7 @@ jobs:
     steps:
       - run: sudo rm -rf /opt&
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v25
+      - uses: cachix/install-nix-action@v27
       - uses: cachix/cachix-action@v14
         with:
           name: ${{ env.CACHE_NAME }}
@@ -44,7 +44,7 @@ jobs:
     runs-on: [ubuntu-latest]
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v25
+      - uses: cachix/install-nix-action@v27
       - uses: cachix/cachix-action@v14
         with:
           name: ${{ env.CACHE_NAME }}