diff --git a/.github/workflows/nixpkgs-bump.yml b/.github/workflows/nixpkgs-bump.yml
index 3ef38d7fdacd53e1d741cbc75cb3b875b62504d8..cdfc128c462ce4aa76dd165d7dd633546721b77a 100644
--- a/.github/workflows/nixpkgs-bump.yml
+++ b/.github/workflows/nixpkgs-bump.yml
@@ -44,7 +44,7 @@ jobs:
 
       - name: Install Nix
         if: steps.ver.outputs.skip != 'true'
-        uses: cachix/install-nix-action@v30
+        uses: cachix/install-nix-action@v31
         with:
           extra_nix_config: |
             experimental-features = nix-command flakes