diff --git a/ui/package.json b/ui/package.json
index 23103c001..c94871fdd 100644
--- a/ui/package.json
+++ b/ui/package.json
@@ -5,7 +5,7 @@
   "private": true,
   "dependencies": {
     "@attently/riek": "2.0.1",
-    "@babel/polyfill": "7.4.0",
+    "@babel/polyfill": "7.4.3",
     "@fortawesome/fontawesome-svg-core": "1.2.17",
     "@fortawesome/free-regular-svg-icons": "5.8.1",
     "@fortawesome/free-solid-svg-icons": "5.8.1",
diff --git a/ui/yarn.lock b/ui/yarn.lock
index e1b214d7b..bd86a8fe5 100644
--- a/ui/yarn.lock
+++ b/ui/yarn.lock
@@ -705,10 +705,10 @@
     "@babel/helper-regex" "^7.0.0"
     regexpu-core "^4.1.3"
 
-"@babel/polyfill@7.4.0":
-  version "7.4.0"
-  resolved "https://registry.yarnpkg.com/@babel/polyfill/-/polyfill-7.4.0.tgz#90f9d68ae34ac42ab4b4aa03151848f536960218"
-  integrity sha512-bVsjsrtsDflIHp5I6caaAa2V25Kzn50HKPL6g3X0P0ni1ks+58cPB8Mz6AOKVuRPgaVdq/OwEUc/1vKqX+Mo4A==
+"@babel/polyfill@7.4.3":
+  version "7.4.3"
+  resolved "https://registry.yarnpkg.com/@babel/polyfill/-/polyfill-7.4.3.tgz#332dc6f57b718017c3a8b37b4eea8aa6eeac1187"
+  integrity sha512-rkv8WIvJshA5Ev8iNMGgz5WZkRtgtiPexiT7w5qevGTuT7ZBfM3de9ox1y9JR5/OXb/sWGBbWlHNa7vQKqku3Q==
   dependencies:
     core-js "^2.6.5"
     regenerator-runtime "^0.13.2"