diff --git a/package.json b/package.json
index d2084b92cb..66398e8cf7 100644
--- a/package.json
+++ b/package.json
@@ -247,5 +247,11 @@
     "es/**/style/*",
     "lib/**/style/*",
     "*.less"
+  ],
+  "browserslist": [
+    "last 2 version",
+    "Firefox ESR",
+    "> 1%",
+    "ie >= 9"
   ]
 }