diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 81c010533..57abd0ff6 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -19,7 +19,7 @@ jobs:
     - name: Yarn install, webpacking
       run: |
         yarn install --ignore-scripts
-        yarn webpack:dev
+        yarn webpack:prod
     - name: Execute build.sh
       run: |
         chmod +x ./scripts/build.sh