diff --git a/.tangled/workflows/build.yml b/.tangled/workflows/build.yml
index abe34f1..eb9bb94 100644
--- a/.tangled/workflows/build.yml
+++ b/.tangled/workflows/build.yml
@@ -10,7 +10,9 @@ when:
     branch:
       - main
 
-engine: nixery
+engine: microvm
+
+image: nixos
 
 steps:
   - name: Build Nix package