diff --git a/.github/main.workflow.yml b/.github/main.workflow.yml
index 7d3a990d..5494da85 100644
--- a/.github/main.workflow.yml
+++ b/.github/main.workflow.yml
@@ -14,7 +14,7 @@ jobs:
         version: 10.x
 
     - name: npm install
-      run: npm install
+      run: npm prune --production && npm install
 
     - name: Lint
       run: npm run format-check