diff --git a/.github/workflows/update-nix.yaml b/.github/workflows/update-nix.yaml
index 9b915c1..e9a568c 100644
--- a/.github/workflows/update-nix.yaml
+++ b/.github/workflows/update-nix.yaml
@@ -18,6 +18,8 @@ jobs:
 
       - name: Install Nix
         uses: DeterminateSystems/nix-installer-action@main
+        with:
+          trust-runner-user: true
 
       - name: Set up cache
         uses: cachix/cachix-action@v15