diff --git a/yarn.lock b/yarn.lock
index cfdceff..0df1f9e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1990,8 +1990,8 @@ css-selector-tokenizer@^0.7.0:
     regexpu-core "^1.0.0"
 
 css-what@2.1:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/css-what/-/css-what-2.1.0.tgz#9467d032c38cfaefb9f2d79501253062f87fa1bd"
+  version "2.1.3"
+  resolved "https://registry.yarnpkg.com/css-what/-/css-what-2.1.3.tgz#a6d7604573365fe74686c3f311c56513d88285f2"
 
 cssesc@^0.1.0:
   version "0.1.0"
@@ -5235,7 +5235,7 @@ react-dev-utils@^0.5.2:
     sockjs-client "1.0.1"
     strip-ansi "3.0.1"
 
-react-dom-factories@^1.0.1:
+react-dom-factories@1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/react-dom-factories/-/react-dom-factories-1.0.1.tgz#c50692ac5ff1adb39d86dfe6dbe3485dacf58455"
 
@@ -5336,7 +5336,7 @@ react-scripts@0.9.5:
   optionalDependencies:
     fsevents "1.0.17"
 
-react-scroll@^1.5.4:
+react-scroll@1.5.4:
   version "1.5.4"
   resolved "https://registry.yarnpkg.com/react-scroll/-/react-scroll-1.5.4.tgz#8c5c4ced659553be1fa39959776c85055fceb137"
   dependencies: