diff --git a/yarn.lock b/yarn.lock
index 1249e88..389d7c7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1887,7 +1887,7 @@ hawk@~3.1.3:
     hoek "2.x.x"
     sntp "1.x.x"
 
-history@^4.6.1:
+history@4.6.1:
   version "4.6.1"
   resolved "https://registry.yarnpkg.com/history/-/history-4.6.1.tgz#911cf8eb65728555a94f2b12780a0c531a14d2fd"
   dependencies:
@@ -2644,7 +2644,7 @@ longest@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/longest/-/longest-1.0.1.tgz#30a0b2da38f73770e8294a0d22e6625ed77d0097"
 
-loose-envify@^1.0.0, loose-envify@^1.1.0, loose-envify@^1.2.0, loose-envify@^1.3.1:
+loose-envify@^1.0.0, loose-envify@^1.2.0, loose-envify@^1.3.1:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/loose-envify/-/loose-envify-1.3.1.tgz#d1a8ad33fa9ce0e713d65fdd0ac8b748d478c848"
   dependencies:
@@ -3068,15 +3068,6 @@ rc@^1.1.7:
     minimist "^1.2.0"
     strip-json-comments "~2.0.1"
 
-react-dom@^15.6.1:
-  version "15.6.1"
-  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-15.6.1.tgz#2cb0ed4191038e53c209eb3a79a23e2a4cf99470"
-  dependencies:
-    fbjs "^0.8.9"
-    loose-envify "^1.1.0"
-    object-assign "^4.1.0"
-    prop-types "^15.5.10"
-
 react-test-renderer@^15.6.1:
   version "15.6.1"
   resolved "https://registry.yarnpkg.com/react-test-renderer/-/react-test-renderer-15.6.1.tgz#026f4a5bb5552661fd2cc4bbcd0d4bc8a35ebf7e"
@@ -3431,8 +3422,8 @@ string_decoder@~1.0.0:
     safe-buffer "^5.0.1"
 
 stringstream@~0.0.4:
-  version "0.0.5"
-  resolved "https://registry.yarnpkg.com/stringstream/-/stringstream-0.0.5.tgz#4e484cd4de5a0bbbee18e46307710a8a81621878"
+  version "0.0.6"
+  resolved "https://registry.yarnpkg.com/stringstream/-/stringstream-0.0.6.tgz#7880225b0d4ad10e30927d167a1d6f2fd3b33a72"
 
 strip-ansi@^3.0.0, strip-ansi@^3.0.1:
   version "3.0.1"