diff --git a/yarn.lock b/yarn.lock
index a0d2832..558ccd1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -723,7 +723,7 @@ ecc-jsbn@~0.1.1:
   dependencies:
     jsbn "~0.1.0"
 
-elliptic@^6.4.0:
+elliptic@6.4.0:
   version "6.4.0"
   resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.4.0.tgz#cac9af8762c85836187003c8dfe193e5e2eae5df"
   dependencies:
@@ -1802,14 +1802,14 @@ jest-worker@^22.4.3:
   dependencies:
     merge-stream "^1.0.1"
 
-jest@^22.4.3:
+jest@22.4.3:
   version "22.4.3"
   resolved "https://registry.yarnpkg.com/jest/-/jest-22.4.3.tgz#2261f4b117dc46d9a4a1a673d2150958dee92f16"
   dependencies:
     import-local "^1.0.0"
     jest-cli "^22.4.3"
 
-js-sha3@^0.7.0:
+js-sha3@0.7.0:
   version "0.7.0"
   resolved "https://registry.yarnpkg.com/js-sha3/-/js-sha3-0.7.0.tgz#0a5c57b36f79882573b2d84051f8bb85dd1bd63a"
 
@@ -1863,7 +1863,7 @@ jsesc@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-1.3.0.tgz#46c3fec8c1892b12b0833db9bc7622176dbab34b"
 
-jshashes@^1.0.7:
+jshashes@1.0.7:
   version "1.0.7"
   resolved "https://registry.yarnpkg.com/jshashes/-/jshashes-1.0.7.tgz#bed8c97a0e9632fd0513916f55f76dd5486be59f"
 
@@ -2518,7 +2518,7 @@ rc@^1.1.7:
     minimist "^1.2.0"
     strip-json-comments "~2.0.1"
 
-react@^16.3.2:
+react@16.3.2:
   version "16.3.2"
   resolved "https://registry.yarnpkg.com/react/-/react-16.3.2.tgz#fdc8420398533a1e58872f59091b272ce2f91ea9"
   dependencies:
@@ -3068,8 +3068,8 @@ type-check@~0.3.2:
     prelude-ls "~1.1.2"
 
 ua-parser-js@^0.7.9:
-  version "0.7.17"
-  resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-0.7.17.tgz#e9ec5f9498b9ec910e7ae3ac626a805c4d09ecac"
+  version "0.7.33"
+  resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-0.7.33.tgz#1d04acb4ccef9293df6f70f2c3d22f3030d8b532"
 
 uglify-js@^2.6:
   version "2.8.29"