diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 10026324e..41912a625 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -149,7 +149,7 @@ jobs:
       fail-fast: true
     steps:
     - uses: actions/checkout@v3
-    - uses: cachix/install-nix-action@v19
+    - uses: cachix/install-nix-action@v20
       with:
         nix_path: nixpkgs=channel:nixos-unstable
     - run: |