diff --git a/package.json b/package.json
index 5827cd9..fdfcf1c 100644
--- a/package.json
+++ b/package.json
@@ -79,10 +79,10 @@
   },
   "devDependencies": {
     "@babel/plugin-proposal-optional-chaining": "7.2.0",
-    "@babel/plugin-proposal-class-properties": "7.3.3",
+    "@babel/plugin-proposal-class-properties": "7.3.4",
     "@babel/preset-react": "7.0.0",
-    "@babel/preset-env": "7.3.1",
-    "@babel/core": "7.3.3",
+    "@babel/preset-env": "7.3.4",
+    "@babel/core": "7.3.4",
     "babel-core": "7.0.0-bridge.0",
     "babel-jest": "23.6.0",
     "identity-obj-proxy": "3.0.0",
diff --git a/yarn.lock b/yarn.lock
index 7cf45af..e5a143c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8,17 +8,17 @@
   dependencies:
     "@babel/highlight" "^7.0.0"
 
-"@babel/core@7.3.3":
-  version "7.3.3"
-  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.3.3.tgz#d090d157b7c5060d05a05acaebc048bd2b037947"
+"@babel/core@7.3.4":
+  version "7.3.4"
+  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.3.4.tgz#921a5a13746c21e32445bf0798680e9d11a6530b"
   dependencies:
     "@babel/code-frame" "^7.0.0"
-    "@babel/generator" "^7.3.3"
+    "@babel/generator" "^7.3.4"
     "@babel/helpers" "^7.2.0"
-    "@babel/parser" "^7.3.3"
+    "@babel/parser" "^7.3.4"
     "@babel/template" "^7.2.2"
-    "@babel/traverse" "^7.2.2"
-    "@babel/types" "^7.3.3"
+    "@babel/traverse" "^7.3.4"
+    "@babel/types" "^7.3.4"
     convert-source-map "^1.1.0"
     debug "^4.1.0"
     json5 "^2.1.0"
@@ -95,11 +95,11 @@
     source-map "^0.5.0"
     trim-right "^1.0.1"
 
-"@babel/generator@^7.3.3":
-  version "7.3.3"
-  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.3.3.tgz#185962ade59a52e00ca2bdfcfd1d58e528d4e39e"
+"@babel/generator@^7.3.4":
+  version "7.3.4"
+  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.3.4.tgz#9aa48c1989257877a9d971296e5b73bfe72e446e"
   dependencies:
-    "@babel/types" "^7.3.3"
+    "@babel/types" "^7.3.4"
     jsesc "^2.5.1"
     lodash "^4.17.11"
     source-map "^0.5.0"
@@ -133,15 +133,16 @@
     "@babel/traverse" "^7.1.0"
     "@babel/types" "^7.0.0"
 
-"@babel/helper-create-class-features-plugin@^7.3.0":
-  version "7.3.2"
-  resolved "https://registry.yarnpkg.com/@babel/helper-create-class-features-plugin/-/helper-create-class-features-plugin-7.3.2.tgz#ba1685603eb1c9f2f51c9106d5180135c163fe73"
+"@babel/helper-create-class-features-plugin@^7.3.4":
+  version "7.3.4"
+  resolved "https://registry.yarnpkg.com/@babel/helper-create-class-features-plugin/-/helper-create-class-features-plugin-7.3.4.tgz#092711a7a3ad8ea34de3e541644c2ce6af1f6f0c"
   dependencies:
     "@babel/helper-function-name" "^7.1.0"
     "@babel/helper-member-expression-to-functions" "^7.0.0"
     "@babel/helper-optimise-call-expression" "^7.0.0"
     "@babel/helper-plugin-utils" "^7.0.0"
-    "@babel/helper-replace-supers" "^7.2.3"
+    "@babel/helper-replace-supers" "^7.3.4"
+    "@babel/helper-split-export-declaration" "^7.0.0"
 
 "@babel/helper-define-map@^7.1.0":
   version "7.1.0"
@@ -236,14 +237,14 @@
     "@babel/traverse" "^7.1.0"
     "@babel/types" "^7.0.0"
 
-"@babel/helper-replace-supers@^7.2.3":
-  version "7.2.3"
-  resolved "https://registry.yarnpkg.com/@babel/helper-replace-supers/-/helper-replace-supers-7.2.3.tgz#19970020cf22677d62b3a689561dbd9644d8c5e5"
+"@babel/helper-replace-supers@^7.3.4":
+  version "7.3.4"
+  resolved "https://registry.yarnpkg.com/@babel/helper-replace-supers/-/helper-replace-supers-7.3.4.tgz#a795208e9b911a6eeb08e5891faacf06e7013e13"
   dependencies:
     "@babel/helper-member-expression-to-functions" "^7.0.0"
     "@babel/helper-optimise-call-expression" "^7.0.0"
-    "@babel/traverse" "^7.2.3"
-    "@babel/types" "^7.0.0"
+    "@babel/traverse" "^7.3.4"
+    "@babel/types" "^7.3.4"
 
 "@babel/helper-simple-access@^7.1.0":
   version "7.1.0"
@@ -299,9 +300,9 @@
   version "7.2.3"
   resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.2.3.tgz#32f5df65744b70888d17872ec106b02434ba1489"
 
-"@babel/parser@^7.3.3":
-  version "7.3.3"
-  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.3.3.tgz#092d450db02bdb6ccb1ca8ffd47d8774a91aef87"
+"@babel/parser@^7.3.4":
+  version "7.3.4"
+  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.3.4.tgz#a43357e4bbf4b92a437fb9e465c192848287f27c"
 
 "@babel/plugin-proposal-async-generator-functions@^7.1.0":
   version "7.1.0"
@@ -319,11 +320,11 @@
     "@babel/helper-remap-async-to-generator" "^7.1.0"
     "@babel/plugin-syntax-async-generators" "^7.2.0"
 
-"@babel/plugin-proposal-class-properties@7.3.3":
-  version "7.3.3"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-class-properties/-/plugin-proposal-class-properties-7.3.3.tgz#e69ee114a834a671293ace001708cc1682ed63f9"
+"@babel/plugin-proposal-class-properties@7.3.4":
+  version "7.3.4"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-class-properties/-/plugin-proposal-class-properties-7.3.4.tgz#410f5173b3dc45939f9ab30ca26684d72901405e"
   dependencies:
-    "@babel/helper-create-class-features-plugin" "^7.3.0"
+    "@babel/helper-create-class-features-plugin" "^7.3.4"
     "@babel/helper-plugin-utils" "^7.0.0"
 
 "@babel/plugin-proposal-class-properties@^7.0.0":
@@ -358,9 +359,9 @@
     "@babel/helper-plugin-utils" "^7.0.0"
     "@babel/plugin-syntax-object-rest-spread" "^7.0.0"
 
-"@babel/plugin-proposal-object-rest-spread@^7.3.1":
-  version "7.3.2"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-object-rest-spread/-/plugin-proposal-object-rest-spread-7.3.2.tgz#6d1859882d4d778578e41f82cc5d7bf3d5daf6c1"
+"@babel/plugin-proposal-object-rest-spread@^7.3.4":
+  version "7.3.4"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-object-rest-spread/-/plugin-proposal-object-rest-spread-7.3.4.tgz#47f73cf7f2a721aad5c0261205405c642e424654"
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"
     "@babel/plugin-syntax-object-rest-spread" "^7.2.0"
@@ -500,9 +501,9 @@
     "@babel/helper-plugin-utils" "^7.0.0"
     "@babel/helper-remap-async-to-generator" "^7.1.0"
 
-"@babel/plugin-transform-async-to-generator@^7.2.0":
-  version "7.2.0"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-async-to-generator/-/plugin-transform-async-to-generator-7.2.0.tgz#68b8a438663e88519e65b776f8938f3445b1a2ff"
+"@babel/plugin-transform-async-to-generator@^7.3.4":
+  version "7.3.4"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-async-to-generator/-/plugin-transform-async-to-generator-7.3.4.tgz#4e45408d3c3da231c0e7b823f407a53a7eb3048c"
   dependencies:
     "@babel/helper-module-imports" "^7.0.0"
     "@babel/helper-plugin-utils" "^7.0.0"
@@ -527,14 +528,14 @@
     "@babel/helper-plugin-utils" "^7.0.0"
     lodash "^4.17.10"
 
-"@babel/plugin-transform-block-scoping@^7.2.0":
-  version "7.2.0"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-block-scoping/-/plugin-transform-block-scoping-7.2.0.tgz#f17c49d91eedbcdf5dd50597d16f5f2f770132d4"
+"@babel/plugin-transform-block-scoping@^7.3.4":
+  version "7.3.4"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-block-scoping/-/plugin-transform-block-scoping-7.3.4.tgz#5c22c339de234076eee96c8783b2fed61202c5c4"
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"
-    lodash "^4.17.10"
+    lodash "^4.17.11"
 
-"@babel/plugin-transform-classes@^7.0.0", "@babel/plugin-transform-classes@^7.2.0":
+"@babel/plugin-transform-classes@^7.0.0":
   version "7.2.2"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-classes/-/plugin-transform-classes-7.2.2.tgz#6c90542f210ee975aa2aa8c8b5af7fa73a126953"
   dependencies:
@@ -560,6 +561,19 @@
     "@babel/helper-split-export-declaration" "^7.0.0"
     globals "^11.1.0"
 
+"@babel/plugin-transform-classes@^7.3.4":
+  version "7.3.4"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-classes/-/plugin-transform-classes-7.3.4.tgz#dc173cb999c6c5297e0b5f2277fdaaec3739d0cc"
+  dependencies:
+    "@babel/helper-annotate-as-pure" "^7.0.0"
+    "@babel/helper-define-map" "^7.1.0"
+    "@babel/helper-function-name" "^7.1.0"
+    "@babel/helper-optimise-call-expression" "^7.0.0"
+    "@babel/helper-plugin-utils" "^7.0.0"
+    "@babel/helper-replace-supers" "^7.3.4"
+    "@babel/helper-split-export-declaration" "^7.0.0"
+    globals "^11.1.0"
+
 "@babel/plugin-transform-computed-properties@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-computed-properties/-/plugin-transform-computed-properties-7.0.0.tgz#2fbb8900cd3e8258f2a2ede909b90e7556185e31"
@@ -714,9 +728,9 @@
     "@babel/helper-hoist-variables" "^7.0.0"
     "@babel/helper-plugin-utils" "^7.0.0"
 
-"@babel/plugin-transform-modules-systemjs@^7.2.0":
-  version "7.2.0"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-systemjs/-/plugin-transform-modules-systemjs-7.2.0.tgz#912bfe9e5ff982924c81d0937c92d24994bb9068"
+"@babel/plugin-transform-modules-systemjs@^7.3.4":
+  version "7.3.4"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-systemjs/-/plugin-transform-modules-systemjs-7.3.4.tgz#813b34cd9acb6ba70a84939f3680be0eb2e58861"
   dependencies:
     "@babel/helper-hoist-variables" "^7.0.0"
     "@babel/helper-plugin-utils" "^7.0.0"
@@ -817,6 +831,12 @@
   dependencies:
     regenerator-transform "^0.13.3"
 
+"@babel/plugin-transform-regenerator@^7.3.4":
+  version "7.3.4"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-regenerator/-/plugin-transform-regenerator-7.3.4.tgz#1601655c362f5b38eead6a52631f5106b29fa46a"
+  dependencies:
+    regenerator-transform "^0.13.4"
+
 "@babel/plugin-transform-runtime@^7.0.0":
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-runtime/-/plugin-transform-runtime-7.1.0.tgz#9f76920d42551bb577e2dc594df229b5f7624b63"
@@ -920,15 +940,15 @@
     core-js "^2.5.7"
     regenerator-runtime "^0.12.0"
 
-"@babel/preset-env@7.3.1":
-  version "7.3.1"
-  resolved "https://registry.yarnpkg.com/@babel/preset-env/-/preset-env-7.3.1.tgz#389e8ca6b17ae67aaf9a2111665030be923515db"
+"@babel/preset-env@7.3.4":
+  version "7.3.4"
+  resolved "https://registry.yarnpkg.com/@babel/preset-env/-/preset-env-7.3.4.tgz#887cf38b6d23c82f19b5135298bdb160062e33e1"
   dependencies:
     "@babel/helper-module-imports" "^7.0.0"
     "@babel/helper-plugin-utils" "^7.0.0"
     "@babel/plugin-proposal-async-generator-functions" "^7.2.0"
     "@babel/plugin-proposal-json-strings" "^7.2.0"
-    "@babel/plugin-proposal-object-rest-spread" "^7.3.1"
+    "@babel/plugin-proposal-object-rest-spread" "^7.3.4"
     "@babel/plugin-proposal-optional-catch-binding" "^7.2.0"
     "@babel/plugin-proposal-unicode-property-regex" "^7.2.0"
     "@babel/plugin-syntax-async-generators" "^7.2.0"
@@ -936,10 +956,10 @@
     "@babel/plugin-syntax-object-rest-spread" "^7.2.0"
     "@babel/plugin-syntax-optional-catch-binding" "^7.2.0"
     "@babel/plugin-transform-arrow-functions" "^7.2.0"
-    "@babel/plugin-transform-async-to-generator" "^7.2.0"
+    "@babel/plugin-transform-async-to-generator" "^7.3.4"
     "@babel/plugin-transform-block-scoped-functions" "^7.2.0"
-    "@babel/plugin-transform-block-scoping" "^7.2.0"
-    "@babel/plugin-transform-classes" "^7.2.0"
+    "@babel/plugin-transform-block-scoping" "^7.3.4"
+    "@babel/plugin-transform-classes" "^7.3.4"
     "@babel/plugin-transform-computed-properties" "^7.2.0"
     "@babel/plugin-transform-destructuring" "^7.2.0"
     "@babel/plugin-transform-dotall-regex" "^7.2.0"
@@ -950,13 +970,13 @@
     "@babel/plugin-transform-literals" "^7.2.0"
     "@babel/plugin-transform-modules-amd" "^7.2.0"
     "@babel/plugin-transform-modules-commonjs" "^7.2.0"
-    "@babel/plugin-transform-modules-systemjs" "^7.2.0"
+    "@babel/plugin-transform-modules-systemjs" "^7.3.4"
     "@babel/plugin-transform-modules-umd" "^7.2.0"
     "@babel/plugin-transform-named-capturing-groups-regex" "^7.3.0"
     "@babel/plugin-transform-new-target" "^7.0.0"
     "@babel/plugin-transform-object-super" "^7.2.0"
     "@babel/plugin-transform-parameters" "^7.2.0"
-    "@babel/plugin-transform-regenerator" "^7.0.0"
+    "@babel/plugin-transform-regenerator" "^7.3.4"
     "@babel/plugin-transform-shorthand-properties" "^7.2.0"
     "@babel/plugin-transform-spread" "^7.2.0"
     "@babel/plugin-transform-sticky-regex" "^7.2.0"
@@ -1060,7 +1080,7 @@
     globals "^11.1.0"
     lodash "^4.17.10"
 
-"@babel/traverse@^7.1.5", "@babel/traverse@^7.2.2", "@babel/traverse@^7.2.3":
+"@babel/traverse@^7.1.5", "@babel/traverse@^7.2.2":
   version "7.2.3"
   resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.2.3.tgz#7ff50cefa9c7c0bd2d81231fdac122f3957748d8"
   dependencies:
@@ -1074,6 +1094,20 @@
     globals "^11.1.0"
     lodash "^4.17.10"
 
+"@babel/traverse@^7.3.4":
+  version "7.3.4"
+  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.3.4.tgz#1330aab72234f8dea091b08c4f8b9d05c7119e06"
+  dependencies:
+    "@babel/code-frame" "^7.0.0"
+    "@babel/generator" "^7.3.4"
+    "@babel/helper-function-name" "^7.1.0"
+    "@babel/helper-split-export-declaration" "^7.0.0"
+    "@babel/parser" "^7.3.4"
+    "@babel/types" "^7.3.4"
+    debug "^4.1.0"
+    globals "^11.1.0"
+    lodash "^4.17.11"
+
 "@babel/types@^7.0.0", "@babel/types@^7.1.2", "@babel/types@^7.1.3":
   version "7.1.3"
   resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.1.3.tgz#3a767004567060c2f40fca49a304712c525ee37d"
@@ -1098,9 +1132,9 @@
     lodash "^4.17.10"
     to-fast-properties "^2.0.0"
 
-"@babel/types@^7.3.3":
-  version "7.3.3"
-  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.3.3.tgz#6c44d1cdac2a7625b624216657d5bc6c107ab436"
+"@babel/types@^7.3.4":
+  version "7.3.4"
+  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.3.4.tgz#bf482eaeaffb367a28abbf9357a94963235d90ed"
   dependencies:
     esutils "^2.0.2"
     lodash "^4.17.11"
@@ -12321,6 +12355,12 @@ regenerator-transform@^0.13.3:
   dependencies:
     private "^0.1.6"
 
+regenerator-transform@^0.13.4:
+  version "0.13.4"
+  resolved "https://registry.yarnpkg.com/regenerator-transform/-/regenerator-transform-0.13.4.tgz#18f6763cf1382c69c36df76c6ce122cc694284fb"
+  dependencies:
+    private "^0.1.6"
+
 regex-cache@^0.4.2:
   version "0.4.4"
   resolved "https://registry.yarnpkg.com/regex-cache/-/regex-cache-0.4.4.tgz#75bdc58a2a1496cec48a12835bc54c8d562336dd"