diff --git a/package.json b/package.json
index 95d1983a..518c5025 100644
--- a/package.json
+++ b/package.json
@@ -7,6 +7,7 @@
     "basic-auth": "^1.1.0",
     "classnames": "^2.2.5",
     "compression": "^1.6.2",
+    "cookie-parser": "^1.4.3",
     "express": "^4.15.2",
     "helmet": "^3.5.0",
     "lodash": "^4.17.4",
diff --git a/yarn.lock b/yarn.lock
index 8e97f847..e884cea2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1524,6 +1524,13 @@ convert-source-map@^1.1.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.4.0.tgz#e3dad195bf61bfe13a7a3c73e9876ec14a0268f3"
 
+cookie-parser@^1.4.3:
+  version "1.4.3"
+  resolved "https://registry.yarnpkg.com/cookie-parser/-/cookie-parser-1.4.3.tgz#0fe31fa19d000b95f4aadf1f53fdc2b8a203baa5"
+  dependencies:
+    cookie "0.3.1"
+    cookie-signature "1.0.6"
+
 cookie-signature@1.0.6:
   version "1.0.6"
   resolved "https://registry.yarnpkg.com/cookie-signature/-/cookie-signature-1.0.6.tgz#e303a882b342cc3ee8ca513a79999734dab3ae2c"
@@ -2042,16 +2049,7 @@ error-ex@^1.2.0:
   dependencies:
     is-arrayish "^0.2.1"
 
-es-abstract@^1.6.1:
-  version "1.6.1"
-  resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.6.1.tgz#bb8a2064120abcf928a086ea3d9043114285ec99"
-  dependencies:
-    es-to-primitive "^1.1.1"
-    function-bind "^1.1.0"
-    is-callable "^1.1.3"
-    is-regex "^1.0.3"
-
-es-abstract@^1.7.0:
+es-abstract@^1.6.1, es-abstract@^1.7.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.7.0.tgz#dfade774e01bfcd97f96180298c449c8623fb94c"
   dependencies: