diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index c3c43212..7f233ca9 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -355,6 +355,7 @@ jobs:
   deploy-mainnet:
     if: github.event_name == 'release' && !github.event.release.prerelease
     runs-on: ubuntu-latest
+    environment: mainnet
     needs:
       - push-docker-image
     permissions: