diff --git a/.github/workflows/vast.yaml b/.github/workflows/vast.yaml
index 1258d078b41e..240d59b75af9 100644
--- a/.github/workflows/vast.yaml
+++ b/.github/workflows/vast.yaml
@@ -748,7 +748,7 @@ jobs:
           fetch-depth: 0
 
       - name: Install Nix
-        uses: cachix/install-nix-action@v13
+        uses: cachix/install-nix-action@v20
         with:
           nix_path: nixpkgs=channel:nixos-unstable