diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a03aa23..56506fd 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -8,7 +8,7 @@ jobs:
   build-amd64:
     runs-on: ubuntu-24.04
     steps:
-      - uses: cachix/install-nix-action@0b0e072294b088b73964f1d72dfdac0951439dbd # v31
+      - uses: cachix/install-nix-action@4e002c8ec80594ecd40e759629461e26c8abed15 # v31
         with:
           nix_path: nixpkgs=channel:nixos-25.05
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
@@ -21,7 +21,7 @@ jobs:
   build-arm64:
     runs-on: ubuntu-24.04-arm
     steps:
-      - uses: cachix/install-nix-action@0b0e072294b088b73964f1d72dfdac0951439dbd # v31
+      - uses: cachix/install-nix-action@4e002c8ec80594ecd40e759629461e26c8abed15 # v31
         with:
           nix_path: nixpkgs=channel:nixos-25.05
           github_access_token: ${{ secrets.GITHUB_TOKEN }}