diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index efca9454..8db36ba5 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -23,7 +23,7 @@ jobs:
           fetch-depth: 5
 
       - name: Install nix
-        uses: cachix/install-nix-action@v26
+        uses: cachix/install-nix-action@V27
         with:
           nix_path: nixpkgs=channel:nixpkgs-unstable