diff --git a/sizes-cjs.json b/sizes-cjs.json
index 67e4a78..45a482a 100644
--- a/sizes-cjs.json
+++ b/sizes-cjs.json
@@ -1,4 +1,14 @@
 [
+  {
+    "timestamp": 1575345020328,
+    "files": [
+      {
+        "filename": "index.js",
+        "size": 20510,
+        "delta": 5
+      }
+    ]
+  },
   {
     "timestamp": 1575331661254,
     "files": [