diff --git a/.github/workflows/emacs.yml b/.github/workflows/emacs.yml
index 73096a88..7173a08a 100644
--- a/.github/workflows/emacs.yml
+++ b/.github/workflows/emacs.yml
@@ -17,7 +17,7 @@ jobs:
         emacs_version:
           - snapshot
     steps:
-      - uses: cachix/install-nix-action@v26
+      - uses: cachix/install-nix-action@V28
         with:
           nix_path: nixpkgs=channel:nixpkgs-unstable