diff --git a/client/.babelrc b/client/.babelrc
index 29697eac24..9eac17327b 100644
--- a/client/.babelrc
+++ b/client/.babelrc
@@ -6,6 +6,7 @@
         "loose": true,
         "modules": false,
         "useBuiltIns": "usage",
+        "corejs": 2,
         "shippedProposals": true,
         "targets": {
           "browsers": [">0.25%", "not dead"]