diff --git a/core/package.json b/core/package.json
index 6e9a49c10f..8f4d231495 100644
--- a/core/package.json
+++ b/core/package.json
@@ -39,7 +39,7 @@
           "modules": false,
           "targets": {
             "browsers": [
-              "ie >= 9",
+              "ie >= 11",
               "edge >= 13",
               "firefox >= 5",
               "opera >= 12",