diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index f5190ff..c521c25 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -9,7 +9,7 @@ jobs:
         with:
           # Nix Flakes doesn't work on shallow clones
           fetch-depth: 0
-      - uses: cachix/install-nix-action@v14
+      - uses: cachix/install-nix-action@v15
         with:
           install_url: https://github.com/numtide/nix-flakes-installer/releases/download/nix-2.4pre20200618_377345e/install
       - run: echo "experimental-features = nix-command flakes" | sudo tee -a /etc/nix/nix.conf