diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ed0d193c..0e21fc22 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,6 +20,7 @@ jobs:
     - run: npm run build
     - run: npm run coverage
     - run: npm run doc
+    - run: npm run map
 
     - run: npm install @jsdevtools/npm-publish -g
     - run: npm-publish --token="${{ secrets.NPM_TOKEN }}" ./package.json