diff --git a/yarn.lock b/yarn.lock
index 1f4f901..02fcb95 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2267,9 +2267,9 @@ event-emitter@~0.3.5:
     d "1"
     es5-ext "~0.10.14"
 
-eventemitter3@1.x.x:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-1.2.0.tgz#1c86991d816ad1e504750e73874224ecf3bec508"
+eventemitter3@^4.0.0:
+  version "4.0.7"
+  resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-4.0.7.tgz#2de9b68f6528d5644ef5c59526a1b4a07306169f"
 
 events@^1.0.0:
   version "1.1.1"
@@ -2522,6 +2522,10 @@ flatten@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/flatten/-/flatten-1.0.2.tgz#dae46a9d78fbe25292258cc1e780a41d95c03782"
 
+follow-redirects@^1.0.0:
+  version "1.13.0"
+  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.13.0.tgz#b42e8d93a2a7eea5ed88633676d6597bc8e384db"
+
 for-in@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/for-in/-/for-in-1.0.2.tgz#81068d295a8142ec0ac726c6e2200c30fb6d5e80"
@@ -2907,11 +2911,12 @@ http-proxy-middleware@~0.17.4:
     micromatch "^2.3.11"
 
 http-proxy@^1.16.2:
-  version "1.16.2"
-  resolved "https://registry.yarnpkg.com/http-proxy/-/http-proxy-1.16.2.tgz#06dff292952bf64dbe8471fa9df73066d4f37742"
+  version "1.18.1"
+  resolved "https://registry.yarnpkg.com/http-proxy/-/http-proxy-1.18.1.tgz#401541f0534884bbf95260334e72f88ee3976549"
   dependencies:
-    eventemitter3 "1.x.x"
-    requires-port "1.x.x"
+    eventemitter3 "^4.0.0"
+    follow-redirects "^1.0.0"
+    requires-port "^1.0.0"
 
 http-signature@~1.1.0:
   version "1.1.1"
@@ -4922,9 +4927,9 @@ react-dev-utils@^3.0.2:
     strip-ansi "3.0.1"
     text-table "0.2.0"
 
-react-dom@15.6.1:
-  version "15.6.1"
-  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-15.6.1.tgz#2cb0ed4191038e53c209eb3a79a23e2a4cf99470"
+react-dom@^15.6.1:
+  version "15.6.2"
+  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-15.6.2.tgz#41cfadf693b757faf2708443a1d1fd5a02bef730"
   dependencies:
     fbjs "^0.8.9"
     loose-envify "^1.1.0"
@@ -4985,9 +4990,9 @@ react-scripts@1.0.10:
   optionalDependencies:
     fsevents "1.1.2"
 
-react@15.6.1:
-  version "15.6.1"
-  resolved "https://registry.yarnpkg.com/react/-/react-15.6.1.tgz#baa8434ec6780bde997cdc380b79cd33b96393df"
+react@^15.6.1:
+  version "15.6.2"
+  resolved "https://registry.yarnpkg.com/react/-/react-15.6.2.tgz#dba0434ab439cfe82f108f0f511663908179aa72"
   dependencies:
     create-react-class "^15.6.0"
     fbjs "^0.8.9"
@@ -5228,7 +5233,7 @@ require-uncached@^1.0.2:
     caller-path "^0.1.0"
     resolve-from "^1.0.0"
 
-requires-port@1.0.x, requires-port@1.x.x:
+requires-port@1.0.x, requires-port@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/requires-port/-/requires-port-1.0.0.tgz#925d2601d39ac485e091cf0da5c6e694dc3dcaff"