diff --git a/.github/workflows/size-limit.yml b/.github/workflows/size-limit.yml
new file mode 100644
index 0000000..a828097
--- /dev/null
+++ b/.github/workflows/size-limit.yml
@@ -0,0 +1,20 @@
+name: "size-limit"
+
+on:
+  pull_request:
+    branches:
+      - main
+
+permissions:
+  pull-requests: write
+
+jobs:
+  size:
+    runs-on: ubuntu-latest
+    env:
+      CI_JOB_NUMBER: 1
+    steps:
+      - uses: actions/checkout@v4
+      - uses: andresz1/size-limit-action@v1
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/package.json b/package.json
index ecd818d..147c519 100644
--- a/package.json
+++ b/package.json
@@ -18,10 +18,10 @@
   "scripts": {
     "start": "tsup && concurrently -k -r \"tsup --watch\" \"web-dev-server\"",
     "build": "tsup",
-    "size": "npm run build && size-limit",
     "prepublish": "tsup",
     "lint": "eslint && prettier \"**/*.ts\" --check --ignore-path .gitignore",
     "format": "eslint . --fix && prettier \"**/*.ts\" --write --ignore-path .gitignore",
+    "size": "npm run build && size-limit",
     "test": "vitest run && npm run size",
     "test:watch": "vitest --watch",
     "test:coverage": "vitest --coverage"