diff --git a/yarn.lock b/yarn.lock
index 3de79d4..04db25a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1867,7 +1867,7 @@ debug@2.6.9, debug@^2.6.6, debug@^2.6.8:
   dependencies:
     ms "2.0.0"
 
-debug@^2.1.1, debug@^2.4.5, debug@^2.6.3:
+debug@^2.1.1, debug@^2.6.3:
   version "2.6.3"
   resolved "http://registry.npm.taobao.org/debug/download/debug-2.6.3.tgz#0f7eb8c30965ec08c72accfa0130c8b79984141d"
   dependencies:
@@ -2488,9 +2488,9 @@ event-emitter@~0.3.4:
     d "~0.1.1"
     es5-ext "~0.10.7"
 
-eventemitter3@1.x.x:
-  version "1.2.0"
-  resolved "https://registry.npmjs.org/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"
@@ -2837,11 +2837,9 @@ flow-remove-types@^1.1.0:
     babylon "^6.15.0"
     vlq "^0.2.1"
 
-follow-redirects@^1.2.3:
-  version "1.2.3"
-  resolved "http://registry.npm.taobao.org/follow-redirects/download/follow-redirects-1.2.3.tgz#01abaeca85e3609837d9fcda3167a7e42fdaca21"
-  dependencies:
-    debug "^2.4.5"
+follow-redirects@^1.0.0, follow-redirects@^1.2.3:
+  version "1.13.0"
+  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.13.0.tgz#b42e8d93a2a7eea5ed88633676d6597bc8e384db"
 
 for-in@^0.1.5:
   version "0.1.6"
@@ -3289,11 +3287,12 @@ http-proxy-middleware@^0.17.4, http-proxy-middleware@~0.17.4:
     micromatch "^2.3.11"
 
 http-proxy@^1.16.2:
-  version "1.16.2"
-  resolved "https://registry.npmjs.org/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"
@@ -5939,9 +5938,9 @@ 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.npmjs.org/requires-port/-/requires-port-1.0.0.tgz#925d2601d39ac485e091cf0da5c6e694dc3dcaff"
+  resolved "https://registry.yarnpkg.com/requires-port/-/requires-port-1.0.0.tgz#925d2601d39ac485e091cf0da5c6e694dc3dcaff"
 
 resolve-cwd@^1.0.0:
   version "1.0.0"