diff --git a/.github/workflows/safe.yaml b/.github/workflows/safe.yaml
index f80552f..45eedb1 100644
--- a/.github/workflows/safe.yaml
+++ b/.github/workflows/safe.yaml
@@ -13,6 +13,9 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
+env:
+  MIX_ENV: prod
+
 jobs:
   build:
     runs-on: ubuntu-latest