diff --git a/README.md b/README.md
index 2c1a996..f66b437 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
-    - uses: cachix/install-nix-action@v10
+    - uses: cachix/install-nix-action@v11
       with:
         nix_path: nixpkgs=channel:nixos-unstable
     - run: nix-build