diff --git a/.github/workflows/nix-flake.yaml b/.github/workflows/nix-flake.yaml
index 965c593..a900f08 100644
--- a/.github/workflows/nix-flake.yaml
+++ b/.github/workflows/nix-flake.yaml
@@ -27,7 +27,7 @@ jobs:
         uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
 
       - name: Install Nix
-        uses: cachix/install-nix-action@0b0e072294b088b73964f1d72dfdac0951439dbd # v31.8.4
+        uses: cachix/install-nix-action@4e002c8ec80594ecd40e759629461e26c8abed15 # v31.9.0
         with:
           github_access_token: ${{ github.token }}