diff --git a/package.json b/package.json
index 9a6572e..ab8ae40 100644
--- a/package.json
+++ b/package.json
@@ -104,6 +104,7 @@
     "webpack": "^2.3.2"
   },
   "dependencies": {
+    "babel-runtime": "^6.23.0",
     "body-parser": "^1.17.1",
     "esprima": "^3.1.3",
     "express": "^4.15.2",
diff --git a/yarn.lock b/yarn.lock
index 4425863..c4ec1bb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -980,7 +980,7 @@ babel-register@^6.24.1:
     mkdirp "^0.5.1"
     source-map-support "^0.4.2"
 
-babel-runtime@^6.18.0, babel-runtime@^6.22.0:
+babel-runtime@^6.18.0, babel-runtime@^6.22.0, babel-runtime@^6.23.0:
   version "6.23.0"
   resolved "https://registry.yarnpkg.com/babel-runtime/-/babel-runtime-6.23.0.tgz#0a9489f144de70efb3ce4300accdb329e2fc543b"
   dependencies:
@@ -1867,7 +1867,7 @@ dateformat@^1.0.11:
     get-stdin "^4.0.1"
     meow "^3.3.0"
 
-debug@2, debug@2.6.3, debug@^2.1.1, debug@^2.2.0:
+debug@2, debug@2.6.3:
   version "2.6.3"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.3.tgz#0f7eb8c30965ec08c72accfa0130c8b79984141d"
   dependencies:
@@ -1885,7 +1885,7 @@ debug@2.3.3:
   dependencies:
     ms "0.7.2"
 
-debug@2.6.1:
+debug@2.6.1, debug@^2.1.1, debug@^2.2.0:
   version "2.6.1"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.1.tgz#79855090ba2c4e3115cc7d8769491d58f0491351"
   dependencies:
@@ -4029,7 +4029,7 @@ micromatch@^2.1.5, micromatch@^2.2.0, micromatch@^2.3.11:
     parse-glob "^3.0.4"
     regex-cache "^0.4.2"
 
-"micromatch@github:jonschlinkert/micromatch#2.2.0", micromatch@jonschlinkert/micromatch#2.2.0:
+micromatch@jonschlinkert/micromatch#2.2.0:
   version "2.2.0"
   resolved "https://codeload.github.com/jonschlinkert/micromatch/tar.gz/b0ac0b7cea8d90f97630c027d0116a8aef06bfdc"
   dependencies:
@@ -4353,14 +4353,10 @@ oauth-sign@~0.8.1:
   version "0.8.2"
   resolved "https://registry.yarnpkg.com/oauth-sign/-/oauth-sign-0.8.2.tgz#46a6ab7f0aead8deae9ec0565780b7d4efeb9d43"
 
-object-assign@4.1.0:
+object-assign@4.1.0, object-assign@^4.0.1, object-assign@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.0.tgz#7a3b3d0e98063d43f4c03f2e8ae6cd51a86883a0"
 
-object-assign@^4.0.1, object-assign@^4.1.0:
-  version "4.1.1"
-  resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
-
 object-component@0.0.3:
   version "0.0.3"
   resolved "https://registry.yarnpkg.com/object-component/-/object-component-0.0.3.tgz#f0c69aa50efc95b866c186f400a33769cb2f1291"