diff --git a/package.json b/package.json
index 25730063..75140ca3 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
         "redux-raven-middleware": "^1.2.0",
         "redux-thunk": "^2.2.0",
         "styled-components": "^3.3.3",
-        "trezor-connect": "^5.0.28",
+        "trezor-connect": "5.0.30",
         "web3": "^0.19.0",
         "webpack": "^4.16.3",
         "whatwg-fetch": "^2.0.4",
diff --git a/yarn.lock b/yarn.lock
index f638cbff..b92392c9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8787,11 +8787,10 @@ tr46@^1.0.1:
   dependencies:
     punycode "^2.1.0"
 
-trezor-connect@^5.0.28:
-  version "5.0.28"
-  resolved "https://registry.yarnpkg.com/trezor-connect/-/trezor-connect-5.0.28.tgz#eb39bb0aa2a7555623251f0fb301233886fcdd09"
+trezor-connect@5.0.30:
+  version "5.0.30"
+  resolved "https://registry.yarnpkg.com/trezor-connect/-/trezor-connect-5.0.30.tgz#3a71613a6d6e63532c7880c1dc25abca18f0b0e7"
   dependencies:
-    babel-polyfill "^6.26.0"
     babel-runtime "^6.26.0"
     events "^1.1.1"
     whatwg-fetch "^2.0.4"