diff --git a/.github/workflows/flake.yml b/.github/workflows/flake.yml
index e336ff5..ce686ee 100644
--- a/.github/workflows/flake.yml
+++ b/.github/workflows/flake.yml
@@ -22,7 +22,7 @@ jobs:
 
       - name: Install nix
         id: nix
-        uses: cachix/install-nix-action@v27
+        uses: cachix/install-nix-action@v29
 
       - name: Update flake
         id: flake