diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 896f61a2..cfa01d2d 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -26,7 +26,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v26
+      - uses: cachix/install-nix-action@V27
         with:
           nix_path: nixpkgs=channel:nixos-20.03
       - uses: Swatinem/rust-cache@v2