diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 021ec502..2bf9997e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -24,7 +24,7 @@ jobs:
         uses: actions/checkout@v3
 
       - name: Install nix
-        uses: cachix/install-nix-action@v19
+        uses: cachix/install-nix-action@v20
 
       - name: Set up cachix
         uses: cachix/cachix-action@v12