diff --git a/.github/workflows/labeler-size.yml b/.github/workflows/labeler-size.yml
new file mode 100644
index 00000000000000..3541ef258111e3
--- /dev/null
+++ b/.github/workflows/labeler-size.yml
@@ -0,0 +1,18 @@
+name: "Labels: Size"
+on: pull_request_target
+jobs:
+  size-label:
+    runs-on: ubuntu-latest
+    steps:
+      - name: size-label
+        uses: pascalgn/size-label-action@v0.5.5
+        with:
+          # Custom size configuration
+          sizes: >
+            {
+              "0": "XS",
+              "10": "S",
+              "30": "M",
+              "100": "L",
+              "1000": "XL",
+            }