diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3484e85..7bbb5b0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,6 +7,9 @@ on:
     branches:
       - main
 
+permissions:
+  pull-requests: write
+
 jobs:
   lint:
     runs-on: ubuntu-latest
@@ -55,6 +58,11 @@ jobs:
       - name: Build package
         run: yarn build
 
+      - name: Calculate Size
+        uses: andresz1/size-limit-action@v1
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+
   test-website:
     runs-on: ubuntu-latest
     name: Test Website
diff --git a/.size-limit.json b/.size-limit.json
index d762592..52f3beb 100644
--- a/.size-limit.json
+++ b/.size-limit.json
@@ -2,5 +2,9 @@
   {
     "path": "dist/esm/index.mjs",
     "limit": "2 kB"
+  },
+  {
+    "path": "dist/esm/patterns/index.mjs",
+    "limit": "3 kB"
   }
 ]