diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index fbf38cf..a0bb71a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -16,7 +16,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
-      - uses: cachix/install-nix-action@v30
+      - uses: cachix/install-nix-action@v31
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
           nix_path: nixpkgs=channel:nixos-unstable
diff --git a/.github/workflows/cache.yaml b/.github/workflows/cache.yaml
index f2471a7..8c54926 100644
--- a/.github/workflows/cache.yaml
+++ b/.github/workflows/cache.yaml
@@ -12,7 +12,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
-      - uses: cachix/install-nix-action@v30
+      - uses: cachix/install-nix-action@v31
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
           nix_path: nixpkgs=channel:nixos-unstable