diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index dcca46104..b4cf421b1 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -11,7 +11,7 @@ jobs:
       - uses: actions/checkout@v2.3.4
         with:
           fetch-depth: 1
-      - uses: cachix/install-nix-action@v14
+      - uses: cachix/install-nix-action@v20
 
       - name: Build
         run: nix-build