diff --git a/package.json b/package.json
index 216acefe..40308652 100644
--- a/package.json
+++ b/package.json
@@ -61,8 +61,8 @@
     "mocha": "^5.2.0",
     "mocha-circleci-reporter": "0.0.3",
     "npm-run-all": "^4.1.3",
-    "react": "^16.2.0",
-    "react-dom": "^16.2.0",
+    "react": "^16.4.0",
+    "react-dom": "^16.4.0",
     "spectron": "~3.8.0",
     "style-loader": "^0.21.0",
     "url-loader": "^1.0.1",
diff --git a/src/package.json b/src/package.json
index 61db93ee..ab234d40 100644
--- a/src/package.json
+++ b/src/package.json
@@ -13,16 +13,16 @@
     "bootstrap": "^3.3.7",
     "create-react-class": "^15.6.3",
     "electron-context-menu": "0.9.0",
-    "electron-devtools-installer": "^2.2.3",
+    "electron-devtools-installer": "^2.2.4",
     "electron-is-dev": "^0.3.0",
     "electron-squirrel-startup": "^1.0.0",
-    "prop-types": "^15.6.0",
-    "react": "^16.2.0",
+    "prop-types": "^15.6.1",
+    "react": "^16.4.0",
     "react-bootstrap": "~0.32.1",
-    "react-dom": "^16.2.0",
-    "react-transition-group": "^2.2.1",
-    "simple-spellchecker": "git://github.com/jfmdev/simple-spellchecker.git#723062952a0290c6285aeaf02f14d9c74c41cadb",
-    "underscore": "^1.8.3",
+    "react-dom": "^16.4.0",
+    "react-transition-group": "^2.3.1",
+    "simple-spellchecker": "^0.9.5",
+    "underscore": "^1.9.1",
     "yargs": "^3.32.0"
   }
 }
diff --git a/src/yarn.lock b/src/yarn.lock
index b96c8f0e..0cc75f6a 100644
--- a/src/yarn.lock
+++ b/src/yarn.lock
@@ -137,6 +137,10 @@ dom-helpers@^3.2.0, dom-helpers@^3.2.1:
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/dom-helpers/-/dom-helpers-3.2.1.tgz#3203e07fed217bd1f424b019735582fc37b2825a"
 
+dom-helpers@^3.3.1:
+  version "3.3.1"
+  resolved "https://registry.yarnpkg.com/dom-helpers/-/dom-helpers-3.3.1.tgz#fc1a4e15ffdf60ddde03a480a9c0fece821dd4a6"
+
 electron-context-menu@0.9.0:
   version "0.9.0"
   resolved "https://registry.yarnpkg.com/electron-context-menu/-/electron-context-menu-0.9.0.tgz#8a66bef502f0524255a1350a2b4704dbaacfd503"
@@ -144,9 +148,9 @@ electron-context-menu@0.9.0:
     electron-dl "^1.2.0"
     electron-is-dev "^0.1.1"
 
-electron-devtools-installer@^2.2.3:
-  version "2.2.3"
-  resolved "https://registry.yarnpkg.com/electron-devtools-installer/-/electron-devtools-installer-2.2.3.tgz#58b9a4ec507377bc46e091cd43714188e0c369be"
+electron-devtools-installer@^2.2.4:
+  version "2.2.4"
+  resolved "https://registry.yarnpkg.com/electron-devtools-installer/-/electron-devtools-installer-2.2.4.tgz#261a50337e37121d338b966f07922eb4939a8763"
   dependencies:
     "7zip" "0.0.6"
     cross-unzip "0.0.2"
@@ -222,15 +226,6 @@ fs.realpath@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
 
-fstream@^1.0.10:
-  version "1.0.11"
-  resolved "https://registry.yarnpkg.com/fstream/-/fstream-1.0.11.tgz#5c1fb1f117477114f0632a0eb4b71b3cb0fd3171"
-  dependencies:
-    graceful-fs "^4.1.2"
-    inherits "~2.0.0"
-    mkdirp ">=0.5 0"
-    rimraf "2"
-
 glob@^7.0.5:
   version "7.1.2"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.2.tgz#c19c9df9a028702d678612384a6552404c636d15"
@@ -242,10 +237,6 @@ glob@^7.0.5:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
-graceful-fs@^4.1.2:
-  version "4.1.11"
-  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.11.tgz#0e8bdfe4d1ddb8854d64e04ea7c00e2a026e5658"
-
 iconv-lite@~0.4.13:
   version "0.4.18"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.18.tgz#23d8656b16aae6742ac29732ea8f0336a4789cf2"
@@ -257,7 +248,7 @@ inflight@^1.0.4:
     once "^1.3.0"
     wrappy "1"
 
-inherits@2, inherits@~2.0.0:
+inherits@2:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
 
@@ -330,7 +321,7 @@ minimist@0.0.8:
   version "0.0.8"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
 
-"mkdirp@>=0.5 0", mkdirp@^0.5.1:
+mkdirp@^0.5.1:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
   dependencies:
@@ -406,6 +397,14 @@ prop-types@^15.5.8, prop-types@^15.6.0:
     loose-envify "^1.3.1"
     object-assign "^4.1.1"
 
+prop-types@^15.6.1:
+  version "15.6.1"
+  resolved "https://registry.yarnpkg.com/prop-types/-/prop-types-15.6.1.tgz#36644453564255ddda391191fb3a125cbdf654ca"
+  dependencies:
+    fbjs "^0.8.16"
+    loose-envify "^1.3.1"
+    object-assign "^4.1.1"
+
 pupa@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/pupa/-/pupa-1.0.0.tgz#9a9568a5af7e657b8462a6e9d5328743560ceff6"
@@ -427,9 +426,9 @@ react-bootstrap@~0.32.1:
     uncontrollable "^4.1.0"
     warning "^3.0.0"
 
-react-dom@^16.2.0:
-  version "16.2.0"
-  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.2.0.tgz#69003178601c0ca19b709b33a83369fe6124c044"
+react-dom@^16.4.0:
+  version "16.4.0"
+  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.4.0.tgz#099f067dd5827ce36a29eaf9a6cdc7cbf6216b1e"
   dependencies:
     fbjs "^0.8.16"
     loose-envify "^1.1.0"
@@ -453,7 +452,7 @@ react-prop-types@^0.4.0:
   dependencies:
     warning "^3.0.0"
 
-react-transition-group@^2.0.0, react-transition-group@^2.2.0, react-transition-group@^2.2.1:
+react-transition-group@^2.0.0, react-transition-group@^2.2.0:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/react-transition-group/-/react-transition-group-2.2.1.tgz#e9fb677b79e6455fd391b03823afe84849df4a10"
   dependencies:
@@ -464,9 +463,17 @@ react-transition-group@^2.0.0, react-transition-group@^2.2.0, react-transition-g
     prop-types "^15.5.8"
     warning "^3.0.0"
 
-react@^16.2.0:
-  version "16.2.0"
-  resolved "https://registry.yarnpkg.com/react/-/react-16.2.0.tgz#a31bd2dab89bff65d42134fa187f24d054c273ba"
+react-transition-group@^2.3.1:
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/react-transition-group/-/react-transition-group-2.3.1.tgz#31d611b33e143a5e0f2d94c348e026a0f3b474b6"
+  dependencies:
+    dom-helpers "^3.3.1"
+    loose-envify "^1.3.1"
+    prop-types "^15.6.1"
+
+react@^16.4.0:
+  version "16.4.0"
+  resolved "https://registry.yarnpkg.com/react/-/react-16.4.0.tgz#402c2db83335336fba1962c08b98c6272617d585"
   dependencies:
     fbjs "^0.8.16"
     loose-envify "^1.1.0"
@@ -477,7 +484,7 @@ regenerator-runtime@^0.11.0:
   version "0.11.0"
   resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.11.0.tgz#7e54fe5b5ccd5d6624ea6255c3473be090b802e1"
 
-rimraf@2, rimraf@^2.5.2:
+rimraf@^2.5.2:
   version "2.6.1"
   resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.1.tgz#c2338ec643df7a1b7fe5c54fa86f57428a55f33d"
   dependencies:
@@ -491,14 +498,14 @@ setimmediate@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/setimmediate/-/setimmediate-1.0.5.tgz#290cbb232e306942d7d7ea9b83732ab7856f8285"
 
-"simple-spellchecker@git://github.com/jfmdev/simple-spellchecker.git#723062952a0290c6285aeaf02f14d9c74c41cadb":
-  version "0.9.4"
-  resolved "git://github.com/jfmdev/simple-spellchecker.git#723062952a0290c6285aeaf02f14d9c74c41cadb"
+simple-spellchecker@^0.9.5:
+  version "0.9.5"
+  resolved "https://registry.yarnpkg.com/simple-spellchecker/-/simple-spellchecker-0.9.5.tgz#4c6dce87e29488c29324b9613d3ad1f1bdac2e51"
   dependencies:
     binarysearch "^0.2.4"
     damerau-levenshtein "git://github.com/cbaatz/damerau-levenshtein.git"
     strip-bom "^2.0.0"
-    unzip-stream "^0.1.2"
+    unzip-stream "^0.3.0"
 
 sort-keys-length@^1.0.0:
   version "1.0.1"
@@ -546,9 +553,9 @@ uncontrollable@^4.1.0:
   dependencies:
     invariant "^2.1.0"
 
-underscore@^1.8.3:
-  version "1.8.3"
-  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.8.3.tgz#4f3fb53b106e6097fcf9cb4109f2a5e9bdfa5022"
+underscore@^1.9.1:
+  version "1.9.1"
+  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.9.1.tgz#06dce34a0e68a7babc29b365b8e74b8925203961"
 
 untildify@^3.0.2:
   version "3.0.2"
@@ -561,12 +568,12 @@ unused-filename@^1.0.0:
     modify-filename "^1.1.0"
     path-exists "^3.0.0"
 
-unzip-stream@^0.1.2:
-  version "0.1.2"
-  resolved "https://registry.yarnpkg.com/unzip-stream/-/unzip-stream-0.1.2.tgz#63a7695beedd9ae21ed228970b77896346234fa5"
+unzip-stream@^0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/unzip-stream/-/unzip-stream-0.3.0.tgz#c30c054cd6b0d64b13a23cd3ece911eb0b2b52d8"
   dependencies:
     binary "^0.3.0"
-    fstream "^1.0.10"
+    mkdirp "^0.5.1"
 
 warning@^3.0.0:
   version "3.0.0"
diff --git a/yarn.lock b/yarn.lock
index 020723d7..afbe8747 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8071,9 +8071,9 @@ react-docgen@^3.0.0-beta11:
     node-dir "^0.1.10"
     recast "^0.12.6"
 
-react-dom@^16.2.0:
-  version "16.3.1"
-  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.3.1.tgz#6a3c90a4fb62f915bdbcf6204422d93a7d4ca573"
+react-dom@^16.4.0:
+  version "16.4.0"
+  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.4.0.tgz#099f067dd5827ce36a29eaf9a6cdc7cbf6216b1e"
   dependencies:
     fbjs "^0.8.16"
     loose-envify "^1.1.0"
@@ -8159,9 +8159,9 @@ react-treebeard@^2.1.0:
     shallowequal "^0.2.2"
     velocity-react "^1.3.1"
 
-react@^16.2.0:
-  version "16.3.1"
-  resolved "https://registry.yarnpkg.com/react/-/react-16.3.1.tgz#4a2da433d471251c69b6033ada30e2ed1202cfd8"
+react@^16.4.0:
+  version "16.4.0"
+  resolved "https://registry.yarnpkg.com/react/-/react-16.4.0.tgz#402c2db83335336fba1962c08b98c6272617d585"
   dependencies:
     fbjs "^0.8.16"
     loose-envify "^1.1.0"