diff --git a/package.json b/package.json
index 0b91a52..07fe893 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "react-dom": "16.4.2"
   },
   "devDependencies": {
-    "@babel/core": "7.0.1",
+    "@babel/core": "7.4.3",
     "babel-core": "7.0.0-bridge.0",
     "babel-eslint": "8.2.6",
     "babel-jest": "23.4.0",
diff --git a/yarn.lock b/yarn.lock
index 4c04408..fae9836 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -51,22 +51,22 @@
     semver "^5.4.1"
     source-map "^0.5.0"
 
-"@babel/core@7.0.1":
-  version "7.0.1"
-  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.0.1.tgz#406658caed0e9686fa4feb5c2f3cefb6161c0f41"
-  integrity sha512-7Yy2vRB6KYbhWeIrrwJmKv9UwDxokmlo43wi6AV84oNs4Gi71NTNGh3YxY/hK3+CxuSc6wcKSl25F2tQOhm1GQ==
+"@babel/core@7.4.3":
+  version "7.4.3"
+  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.4.3.tgz#198d6d3af4567be3989550d97e068de94503074f"
+  integrity sha512-oDpASqKFlbspQfzAE7yaeTmdljSH2ADIvBlb0RwbStltTuWa0+7CCI1fYVINNv9saHPa1W7oaKeuNuKj+RQCvA==
   dependencies:
     "@babel/code-frame" "^7.0.0"
-    "@babel/generator" "^7.0.0"
-    "@babel/helpers" "^7.0.0"
-    "@babel/parser" "^7.0.0"
-    "@babel/template" "^7.0.0"
-    "@babel/traverse" "^7.0.0"
-    "@babel/types" "^7.0.0"
+    "@babel/generator" "^7.4.0"
+    "@babel/helpers" "^7.4.3"
+    "@babel/parser" "^7.4.3"
+    "@babel/template" "^7.4.0"
+    "@babel/traverse" "^7.4.3"
+    "@babel/types" "^7.4.0"
     convert-source-map "^1.1.0"
-    debug "^3.1.0"
-    json5 "^0.5.0"
-    lodash "^4.17.10"
+    debug "^4.1.0"
+    json5 "^2.1.0"
+    lodash "^4.17.11"
     resolve "^1.3.2"
     semver "^5.4.1"
     source-map "^0.5.0"
@@ -93,14 +93,14 @@
     source-map "^0.5.0"
     trim-right "^1.0.1"
 
-"@babel/generator@^7.0.0", "@babel/generator@^7.1.3":
-  version "7.1.3"
-  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.1.3.tgz#2103ec9c42d9bdad9190a6ad5ff2d456fd7b8673"
-  integrity sha512-ZoCZGcfIJFJuZBqxcY9OjC1KW2lWK64qrX1o4UYL3yshVhwKFYgzpWZ0vvtGMNJdTlvkw0W+HR1VnYN8q3QPFQ==
+"@babel/generator@^7.4.0":
+  version "7.4.0"
+  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.4.0.tgz#c230e79589ae7a729fd4631b9ded4dc220418196"
+  integrity sha512-/v5I+a1jhGSKLgZDcmAUZ4K/VePi43eRkUs3yePW1HB1iANOD5tqJXwGSG4BZhSksP8J9ejSlwGeTiiOFZOrXQ==
   dependencies:
-    "@babel/types" "^7.1.3"
+    "@babel/types" "^7.4.0"
     jsesc "^2.5.1"
-    lodash "^4.17.10"
+    lodash "^4.17.11"
     source-map "^0.5.0"
     trim-right "^1.0.1"
 
@@ -291,12 +291,12 @@
   dependencies:
     "@babel/types" "7.0.0-beta.44"
 
-"@babel/helper-split-export-declaration@^7.0.0":
-  version "7.0.0"
-  resolved "https://registry.yarnpkg.com/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.0.0.tgz#3aae285c0311c2ab095d997b8c9a94cad547d813"
-  integrity sha512-MXkOJqva62dfC0w85mEf/LucPPS/1+04nmmRMPEBUB++hiiThQ2zPtX/mEWQ3mtzCEjIJvPY8nuwxXtQeQwUag==
+"@babel/helper-split-export-declaration@^7.4.0":
+  version "7.4.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.4.0.tgz#571bfd52701f492920d63b7f735030e9a3e10b55"
+  integrity sha512-7Cuc6JZiYShaZnybDmfwhY4UYHzI6rlqhWjaIqbsJGsIqPimEYy5uh3akSRLMg65LSdSEnJ8a8/bWQN6u2oMGw==
   dependencies:
-    "@babel/types" "^7.0.0"
+    "@babel/types" "^7.4.0"
 
 "@babel/helper-wrap-function@7.0.0-beta.42":
   version "7.0.0-beta.42"
@@ -317,14 +317,14 @@
     "@babel/traverse" "7.0.0-beta.42"
     "@babel/types" "7.0.0-beta.42"
 
-"@babel/helpers@^7.0.0":
-  version "7.1.2"
-  resolved "https://registry.yarnpkg.com/@babel/helpers/-/helpers-7.1.2.tgz#ab752e8c35ef7d39987df4e8586c63b8846234b5"
-  integrity sha512-Myc3pUE8eswD73aWcartxB16K6CGmHDv9KxOmD2CeOs/FaEAQodr3VYGmlvOmog60vNQ2w8QbatuahepZwrHiA==
+"@babel/helpers@^7.4.3":
+  version "7.4.3"
+  resolved "https://registry.yarnpkg.com/@babel/helpers/-/helpers-7.4.3.tgz#7b1d354363494b31cb9a2417ae86af32b7853a3b"
+  integrity sha512-BMh7X0oZqb36CfyhvtbSmcWc3GXocfxv3yNsAEuM0l+fAqSO22rQrUpijr3oE/10jCTrB6/0b9kzmG4VetCj8Q==
   dependencies:
-    "@babel/template" "^7.1.2"
-    "@babel/traverse" "^7.1.0"
-    "@babel/types" "^7.1.2"
+    "@babel/template" "^7.4.0"
+    "@babel/traverse" "^7.4.3"
+    "@babel/types" "^7.4.0"
 
 "@babel/highlight@7.0.0-beta.42":
   version "7.0.0-beta.42"
@@ -362,11 +362,16 @@
     esutils "^2.0.2"
     js-tokens "^4.0.0"
 
-"@babel/parser@^7.0.0", "@babel/parser@^7.1.2", "@babel/parser@^7.1.3":
+"@babel/parser@^7.1.2":
   version "7.1.3"
   resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.1.3.tgz#2c92469bac2b7fbff810b67fca07bd138b48af77"
   integrity sha512-gqmspPZOMW3MIRb9HlrnbZHXI1/KHTOroBwN1NcLL6pWxzqzEKGvRTq0W/PxS45OtQGbaFikSQpkS5zbnsQm2w==
 
+"@babel/parser@^7.4.0", "@babel/parser@^7.4.3":
+  version "7.4.3"
+  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.4.3.tgz#eb3ac80f64aa101c907d4ce5406360fe75b7895b"
+  integrity sha512-gxpEUhTS1sGA63EGQGuA+WESPR/6tz6ng7tSHFCmaTJK/cGK8y37cBTspX+U2xCAue2IQVvF6Z0oigmjwD8YGQ==
+
 "@babel/plugin-proposal-async-generator-functions@7.0.0-beta.42":
   version "7.0.0-beta.42"
   resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-async-generator-functions/-/plugin-proposal-async-generator-functions-7.0.0-beta.42.tgz#81465d19b6f5559092d9be4d11d6351131d08696"
@@ -792,7 +797,7 @@
     babylon "7.0.0-beta.44"
     lodash "^4.2.0"
 
-"@babel/template@^7.0.0", "@babel/template@^7.1.0", "@babel/template@^7.1.2":
+"@babel/template@^7.1.0":
   version "7.1.2"
   resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.1.2.tgz#090484a574fef5a2d2d7726a674eceda5c5b5644"
   integrity sha512-SY1MmplssORfFiLDcOETrW7fCLl+PavlwMh92rrGcikQaRq4iWPVH0MpwPpY3etVMx6RnDjXtr6VZYr/IbP/Ag==
@@ -801,6 +806,15 @@
     "@babel/parser" "^7.1.2"
     "@babel/types" "^7.1.2"
 
+"@babel/template@^7.4.0":
+  version "7.4.0"
+  resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.4.0.tgz#12474e9c077bae585c5d835a95c0b0b790c25c8b"
+  integrity sha512-SOWwxxClTTh5NdbbYZ0BmaBVzxzTh2tO/TeLTbF6MO6EzVhHTnff8CdBXx3mEtazFBoysmEM6GU/wF+SuSx4Fw==
+  dependencies:
+    "@babel/code-frame" "^7.0.0"
+    "@babel/parser" "^7.4.0"
+    "@babel/types" "^7.4.0"
+
 "@babel/traverse@7.0.0-beta.42":
   version "7.0.0-beta.42"
   resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.0.0-beta.42.tgz#f4bf4d1e33d41baf45205e2d0463591d57326285"
@@ -833,20 +847,20 @@
     invariant "^2.2.0"
     lodash "^4.2.0"
 
-"@babel/traverse@^7.0.0", "@babel/traverse@^7.1.0":
-  version "7.1.4"
-  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.1.4.tgz#f4f83b93d649b4b2c91121a9087fa2fa949ec2b4"
-  integrity sha512-my9mdrAIGdDiSVBuMjpn/oXYpva0/EZwWL3sm3Wcy/AVWO2eXnsoZruOT9jOGNRXU8KbCIu5zsKnXcAJ6PcV6Q==
+"@babel/traverse@^7.4.3":
+  version "7.4.3"
+  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.4.3.tgz#1a01f078fc575d589ff30c0f71bf3c3d9ccbad84"
+  integrity sha512-HmA01qrtaCwwJWpSKpA948cBvU5BrmviAief/b3AVw936DtcdsTexlbyzNuDnthwhOQ37xshn7hvQaEQk7ISYQ==
   dependencies:
     "@babel/code-frame" "^7.0.0"
-    "@babel/generator" "^7.1.3"
+    "@babel/generator" "^7.4.0"
     "@babel/helper-function-name" "^7.1.0"
-    "@babel/helper-split-export-declaration" "^7.0.0"
-    "@babel/parser" "^7.1.3"
-    "@babel/types" "^7.1.3"
-    debug "^3.1.0"
+    "@babel/helper-split-export-declaration" "^7.4.0"
+    "@babel/parser" "^7.4.3"
+    "@babel/types" "^7.4.0"
+    debug "^4.1.0"
     globals "^11.1.0"
-    lodash "^4.17.10"
+    lodash "^4.17.11"
 
 "@babel/types@7.0.0-beta.42":
   version "7.0.0-beta.42"
@@ -866,7 +880,7 @@
     lodash "^4.2.0"
     to-fast-properties "^2.0.0"
 
-"@babel/types@^7.0.0", "@babel/types@^7.1.2", "@babel/types@^7.1.3":
+"@babel/types@^7.0.0", "@babel/types@^7.1.2":
   version "7.1.3"
   resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.1.3.tgz#3a767004567060c2f40fca49a304712c525ee37d"
   integrity sha512-RpPOVfK+yatXyn8n4PB1NW6k9qjinrXrRR8ugBN8fD6hCy5RXI6PSbVqpOJBO9oSaY7Nom4ohj35feb0UR9hSA==
@@ -875,6 +889,15 @@
     lodash "^4.17.10"
     to-fast-properties "^2.0.0"
 
+"@babel/types@^7.4.0":
+  version "7.4.0"
+  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.4.0.tgz#670724f77d24cce6cc7d8cf64599d511d164894c"
+  integrity sha512-aPvkXyU2SPOnztlgo8n9cEiXW755mgyvueUPcpStqdzoSPm0fjO0vQBjLkt3JKJW7ufikfcnMTTPsN1xaTsBPA==
+  dependencies:
+    esutils "^2.0.2"
+    lodash "^4.17.11"
+    to-fast-properties "^2.0.0"
+
 abab@^1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/abab/-/abab-1.0.4.tgz#5faad9c2c07f60dd76770f71cf025b62a63cfd4e"
@@ -2203,6 +2226,13 @@ debug@3.1.0, debug@^3.1.0:
   dependencies:
     ms "2.0.0"
 
+debug@^4.1.0:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-4.1.1.tgz#3b72260255109c6b589cee050f1d516139664791"
+  integrity sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==
+  dependencies:
+    ms "^2.1.1"
+
 decamelize@^1.0.0, decamelize@^1.1.1:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
@@ -4478,6 +4508,13 @@ json5@^0.5.0, json5@^0.5.1:
   resolved "https://registry.yarnpkg.com/json5/-/json5-0.5.1.tgz#1eade7acc012034ad84e2396767ead9fa5495821"
   integrity sha1-Hq3nrMASA0rYTiOWdn6tn6VJWCE=
 
+json5@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/json5/-/json5-2.1.0.tgz#e7a0c62c48285c628d20a10b85c89bb807c32850"
+  integrity sha512-8Mh9h6xViijj36g7Dxi+Y4S6hNGV96vcJZr/SrlHh1LR/pEn/8j/+qIBbs44YKl69Lrfctp4QD+AdWLTMqEZAQ==
+  dependencies:
+    minimist "^1.2.0"
+
 jsprim@^1.2.2:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/jsprim/-/jsprim-1.4.1.tgz#313e66bc1e5cc06e438bc1b7499c2e5c56acb6a2"
@@ -4627,6 +4664,11 @@ lodash@^4.13.1, lodash@^4.17.10, lodash@^4.17.4, lodash@^4.2.0, lodash@^4.3.0, l
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.10.tgz#1b7793cf7259ea38fb3661d4d38b3260af8ae4e7"
   integrity sha512-UejweD1pDoXu+AD825lWwp4ZGtSwgnpZxb3JDViD7StjQz+Nb/6l093lx4OQ0foGWNRoc19mWy7BzL+UAK2iVg==
 
+lodash@^4.17.11:
+  version "4.17.11"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
+  integrity sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==
+
 longest@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/longest/-/longest-1.0.1.tgz#30a0b2da38f73770e8294a0d22e6625ed77d0097"
@@ -5027,6 +5069,11 @@ ms@2.0.0:
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
   integrity sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=
 
+ms@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.1.tgz#30a5864eb3ebb0a66f2ebe6d727af06a09d86e0a"
+  integrity sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg==
+
 mute-stream@0.0.7:
   version "0.0.7"
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.7.tgz#3075ce93bc21b8fab43e1bc4da7e8115ed1e7bab"