diff --git a/.github/workflows/size-label.yml b/.github/workflows/size-label.yml
new file mode 100644
index 0000000..cd4aaf5
--- /dev/null
+++ b/.github/workflows/size-label.yml
@@ -0,0 +1,15 @@
+name: Label based on PR size
+
+on:
+  pull_request:
+
+jobs:
+  size-label:
+    runs-on: ubuntu-latest
+
+    steps:
+
+      - name: size-label
+        uses: "pascalgn/size-label-action@v0.4.3"
+        env:
+          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"