diff --git a/sizes-es.json b/sizes-es.json
index 911a72f..a5f059f 100644
--- a/sizes-es.json
+++ b/sizes-es.json
@@ -1,4 +1,14 @@
 [
+  {
+    "timestamp": 1575345027852,
+    "files": [
+      {
+        "filename": "index.es.js",
+        "size": 20369,
+        "delta": 4
+      }
+    ]
+  },
   {
     "timestamp": 1575331668355,
     "files": [