diff --git a/.github/workflows/prod-test.yml b/.github/workflows/prod-test.yml
index 6831e05a4..d4307ed35 100644
--- a/.github/workflows/prod-test.yml
+++ b/.github/workflows/prod-test.yml
@@ -45,6 +45,21 @@ jobs:
           name: dist
           path: dist
 
+      # This step calls `git reset`
+      # It should be the last step
+      # The cache step might saving the result of master branch, need investigate
+      - name: Check Sizes
+        if: >-
+          github.event_name == 'pull_request' &&
+          (
+            github.actor == 'dependabot' ||
+            contains(github.event.comment.body, '/size')
+          )
+        uses: preactjs/compressed-size-action@v2.0.1
+        with:
+          repo-token: "${{ secrets.GITHUB_TOKEN }}"
+          compression: none
+
   lint:
     name: Lint
     runs-on: ubuntu-latest
diff --git a/cspell.json b/cspell.json
index 02589372c..ecd98c7ca 100644
--- a/cspell.json
+++ b/cspell.json
@@ -76,6 +76,7 @@
         "defun",
         "deltice",
         "deopt",
+        "dependabot",
         "deps",
         "destructured",
         "desugared",
@@ -261,6 +262,7 @@
         "pnpm",
         "postprocess",
         "postprocessor",
+        "preactjs",
         "precache",
         "precommit",
         "prefetch",