diff --git a/package.json b/package.json
index 4ffa087..819b970 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "lodash": "^4.17.4",
     "mobx": "^3.2.1",
     "mobx-react": "^4.2.2",
-    "node-sass": "^4.5.3",
+    "node-sass": "^4.13.1",
     "query-string": "^6.4.2",
     "react-addons-css-transition-group": "^15.6.0",
     "react-relay": "1.1.0",
diff --git a/yarn.lock b/yarn.lock
index 986856c..5a69642 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3863,10 +3863,6 @@ lodash._getnative@^3.0.0:
   version "3.9.1"
   resolved "https://registry.yarnpkg.com/lodash._getnative/-/lodash._getnative-3.9.1.tgz#570bc7dede46d61cdcde687d65d3eecbaa3aaff5"
 
-lodash.assign@^4.2.0:
-  version "4.2.0"
-  resolved "https://registry.yarnpkg.com/lodash.assign/-/lodash.assign-4.2.0.tgz#0d99f3ccd7a6d261d19bdaeb9245005d285808e7"
-
 lodash.camelcase@^4.3.0:
   version "4.3.0"
   resolved "https://registry.yarnpkg.com/lodash.camelcase/-/lodash.camelcase-4.3.0.tgz#b28aa6288a2b9fc651035c7711f65ab6190331a6"
@@ -3878,10 +3874,6 @@ lodash.clonedeep@^3.0.0:
     lodash._baseclone "^3.0.0"
     lodash._bindcallback "^3.0.0"
 
-lodash.clonedeep@^4.3.2:
-  version "4.5.0"
-  resolved "https://registry.yarnpkg.com/lodash.clonedeep/-/lodash.clonedeep-4.5.0.tgz#e23f3f9c4f8fbdde872529c1071857a086e5ccef"
-
 lodash.cond@^4.3.0:
   version "4.5.2"
   resolved "https://registry.yarnpkg.com/lodash.cond/-/lodash.cond-4.5.2.tgz#f471a1da486be60f6ab955d17115523dd1d255d5"
@@ -3918,10 +3910,6 @@ lodash.merge@^4.6.0:
   version "4.6.1"
   resolved "https://registry.yarnpkg.com/lodash.merge/-/lodash.merge-4.6.1.tgz#adc25d9cb99b9391c59624f379fbba60d7111d54"
 
-lodash.mergewith@^4.6.0:
-  version "4.6.1"
-  resolved "https://registry.yarnpkg.com/lodash.mergewith/-/lodash.mergewith-4.6.1.tgz#639057e726c3afbdb3e7d42741caa8d6e4335927"
-
 lodash.pickby@^4.6.0:
   version "4.6.0"
   resolved "https://registry.yarnpkg.com/lodash.pickby/-/lodash.pickby-4.6.0.tgz#7dea21d8c18d7703a27c704c15d3b84a67e33aff"
@@ -3942,9 +3930,9 @@ lodash.uniq@^4.5.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
 
-"lodash@>=3.5 <5", lodash@^4.0.0, lodash@^4.15.0, lodash@^4.16.4, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.2, lodash@^4.17.4, lodash@^4.2.0, lodash@^4.3.0, lodash@~4.17.10:
-  version "4.17.11"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
+"lodash@>=3.5 <5", lodash@^4.0.0, lodash@^4.15.0, lodash@^4.16.4, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.15, lodash@^4.17.2, lodash@^4.17.4, lodash@^4.2.0, lodash@^4.3.0, lodash@~4.17.10:
+  version "4.17.20"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.20.tgz#b44a9b6297bcb698f1c51a3545a2b3b368d59c52"
 
 longest@^1.0.1:
   version "1.0.1"
@@ -4224,9 +4212,9 @@ mute-stream@0.0.5:
   version "0.0.5"
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.5.tgz#8fbfabb0a98a253d3184331f9e8deb7372fac6c0"
 
-nan@^2.10.0, nan@^2.9.2:
-  version "2.13.2"
-  resolved "https://registry.yarnpkg.com/nan/-/nan-2.13.2.tgz#f51dc7ae66ba7d5d55e1e6d4d8092e802c9aefe7"
+nan@^2.13.2, nan@^2.9.2:
+  version "2.14.1"
+  resolved "https://registry.yarnpkg.com/nan/-/nan-2.14.1.tgz#d7be34dfa3105b91494c3147089315eff8874b01"
 
 nanomatch@^1.2.9:
   version "1.2.13"
@@ -4363,9 +4351,9 @@ node-pre-gyp@^0.10.0:
     semver "^5.3.0"
     tar "^4"
 
-node-sass@^4.5.3:
-  version "4.11.0"
-  resolved "https://registry.yarnpkg.com/node-sass/-/node-sass-4.11.0.tgz#183faec398e9cbe93ba43362e2768ca988a6369a"
+node-sass@^4.13.1:
+  version "4.13.1"
+  resolved "https://registry.yarnpkg.com/node-sass/-/node-sass-4.13.1.tgz#9db5689696bb2eec2c32b98bfea4c7a2e992d0a3"
   dependencies:
     async-foreach "^0.1.3"
     chalk "^1.1.1"
@@ -4374,12 +4362,10 @@ node-sass@^4.5.3:
     get-stdin "^4.0.1"
     glob "^7.0.3"
     in-publish "^2.0.0"
-    lodash.assign "^4.2.0"
-    lodash.clonedeep "^4.3.2"
-    lodash.mergewith "^4.6.0"
+    lodash "^4.17.15"
     meow "^3.7.0"
     mkdirp "^0.5.1"
-    nan "^2.10.0"
+    nan "^2.13.2"
     node-gyp "^3.8.0"
     npmlog "^4.0.0"
     request "^2.88.0"