diff --git a/.github/workflows/cachix.yml b/.github/workflows/cachix.yml
index d4547e58..bc72bb78 100644
--- a/.github/workflows/cachix.yml
+++ b/.github/workflows/cachix.yml
@@ -14,7 +14,7 @@ jobs:
       uses: actions/checkout@v3
 
     - name: Install nix
-      uses: cachix/install-nix-action@v17
+      uses: cachix/install-nix-action@v18
 
     - name: Authenticate with Cachix
       uses: cachix/cachix-action@v11