diff --git a/package.json b/package.json
index f2797593a149ba3241860c979bda7beb23d5f230..9a199a664f9a1acf13cdc5c16b81b461a57c98d5 100644
--- a/package.json
+++ b/package.json
@@ -158,14 +158,14 @@
     "re2": "1.10.0"
   },
   "devDependencies": {
-    "@babel/cli": "7.5.5",
-    "@babel/core": "7.5.5",
-    "@babel/node": "7.5.5",
+    "@babel/cli": "7.6.0",
+    "@babel/core": "7.6.0",
+    "@babel/node": "7.6.1",
     "@babel/plugin-proposal-class-properties": "7.5.5",
     "@babel/plugin-proposal-object-rest-spread": "7.5.5",
     "@babel/plugin-syntax-dynamic-import": "7.2.0",
-    "@babel/preset-env": "7.5.5",
-    "@babel/preset-typescript": "7.3.3",
+    "@babel/preset-env": "7.6.0",
+    "@babel/preset-typescript": "7.6.0",
     "@types/bunyan": "1.8.6",
     "@types/chai": "4.2.1",
     "@types/convert-hrtime": "2.0.0",
diff --git a/yarn.lock b/yarn.lock
index 51b395f3067a42e277351fd9b1f46d59a60ad8f5..68ce297cccbdf806b35d7eeae3ea568868b8d352 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,10 +2,10 @@
 # yarn lockfile v1
 
 
-"@babel/cli@7.5.5":
-  version "7.5.5"
-  resolved "https://registry.yarnpkg.com/@babel/cli/-/cli-7.5.5.tgz#bdb6d9169e93e241a08f5f7b0265195bf38ef5ec"
-  integrity sha512-UHI+7pHv/tk9g6WXQKYz+kmXTI77YtuY3vqC59KIqcoWEjsJJSG6rAxKaLsgj3LDyadsPrCB929gVOKM6Hui0w==
+"@babel/cli@7.6.0":
+  version "7.6.0"
+  resolved "https://registry.yarnpkg.com/@babel/cli/-/cli-7.6.0.tgz#1470a04394eaf37862989ea4912adf440fa6ff8d"
+  integrity sha512-1CTDyGUjQqW3Mz4gfKZ04KGOckyyaNmKneAMlABPS+ZyuxWv3FrVEVz7Ag08kNIztVx8VaJ8YgvYLSNlMKAT5Q==
   dependencies:
     commander "^2.8.1"
     convert-source-map "^1.1.0"
@@ -17,7 +17,7 @@
     slash "^2.0.0"
     source-map "^0.5.0"
   optionalDependencies:
-    chokidar "^2.0.4"
+    chokidar "^2.1.8"
 
 "@babel/code-frame@^7.0.0", "@babel/code-frame@^7.5.5":
   version "7.5.5"
@@ -26,27 +26,7 @@
   dependencies:
     "@babel/highlight" "^7.0.0"
 
-"@babel/core@7.5.5":
-  version "7.5.5"
-  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.5.5.tgz#17b2686ef0d6bc58f963dddd68ab669755582c30"
-  integrity sha512-i4qoSr2KTtce0DmkuuQBV4AuQgGPUcPXMr9L5MyYAtk06z068lQ10a4O009fe5OB/DfNV+h+qqT7ddNV8UnRjg==
-  dependencies:
-    "@babel/code-frame" "^7.5.5"
-    "@babel/generator" "^7.5.5"
-    "@babel/helpers" "^7.5.5"
-    "@babel/parser" "^7.5.5"
-    "@babel/template" "^7.4.4"
-    "@babel/traverse" "^7.5.5"
-    "@babel/types" "^7.5.5"
-    convert-source-map "^1.1.0"
-    debug "^4.1.0"
-    json5 "^2.1.0"
-    lodash "^4.17.13"
-    resolve "^1.3.2"
-    semver "^5.4.1"
-    source-map "^0.5.0"
-
-"@babel/core@^7.1.0":
+"@babel/core@7.6.0", "@babel/core@^7.1.0":
   version "7.6.0"
   resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.6.0.tgz#9b00f73554edd67bebc86df8303ef678be3d7b48"
   integrity sha512-FuRhDRtsd6IptKpHXAa+4WPZYY2ZzgowkbLBecEDDSje1X/apG7jQM33or3NdOmjXBKWGOg4JmSiRfUfuTtHXw==
@@ -66,7 +46,7 @@
     semver "^5.4.1"
     source-map "^0.5.0"
 
-"@babel/generator@^7.4.0", "@babel/generator@^7.5.5", "@babel/generator@^7.6.0":
+"@babel/generator@^7.4.0", "@babel/generator@^7.6.0":
   version "7.6.0"
   resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.6.0.tgz#e2c21efbfd3293ad819a2359b448f002bfdfda56"
   integrity sha512-Ms8Mo7YBdMMn1BYuNtKuP/z0TgEIhbcyB8HVR6PPNYp4P61lMsABiS4A3VG1qznjXVCf3r+fVHhm4efTYVsySA==
@@ -244,7 +224,7 @@
     "@babel/traverse" "^7.1.0"
     "@babel/types" "^7.2.0"
 
-"@babel/helpers@^7.5.5", "@babel/helpers@^7.6.0":
+"@babel/helpers@^7.6.0":
   version "7.6.0"
   resolved "https://registry.yarnpkg.com/@babel/helpers/-/helpers-7.6.0.tgz#21961d16c6a3c3ab597325c34c465c0887d31c6e"
   integrity sha512-W9kao7OBleOjfXtFGgArGRX6eCP0UEcA2ZWEWNkJdRZnHhW4eEbeswbG3EwaRsnQUAEGWYgMq1HsIXuNNNy2eQ==
@@ -262,19 +242,19 @@
     esutils "^2.0.2"
     js-tokens "^4.0.0"
 
-"@babel/node@7.5.5":
-  version "7.5.5"
-  resolved "https://registry.yarnpkg.com/@babel/node/-/node-7.5.5.tgz#5db48a3bcee64d9eda6474f2a0a55b235d0438b5"
-  integrity sha512-xsW6il+yY+lzXMsQuvIJNA7tU8ix/f4G6bDt4DrnCkVpsR6clk9XgEbp7QF+xGNDdoD7M7QYokCH83pm+UjD0w==
+"@babel/node@7.6.1":
+  version "7.6.1"
+  resolved "https://registry.yarnpkg.com/@babel/node/-/node-7.6.1.tgz#84f8f4f1d86647d99537a681f32e65e70bb59f19"
+  integrity sha512-q2sJw+7aES/5wwjccECJfOuIgM1XIbZcn7b63JZM6VpaZwvOq913jL+tXRIn41Eg/Hr+BeIGWnvnjLTuT579pA==
   dependencies:
-    "@babel/polyfill" "^7.0.0"
-    "@babel/register" "^7.5.5"
+    "@babel/polyfill" "^7.6.0"
+    "@babel/register" "^7.6.0"
     commander "^2.8.1"
     lodash "^4.17.13"
     node-environment-flags "^1.0.5"
     v8flags "^3.1.1"
 
-"@babel/parser@^7.1.0", "@babel/parser@^7.4.3", "@babel/parser@^7.5.5", "@babel/parser@^7.6.0":
+"@babel/parser@^7.1.0", "@babel/parser@^7.4.3", "@babel/parser@^7.6.0":
   version "7.6.0"
   resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.6.0.tgz#3e05d0647432a8326cb28d0de03895ae5a57f39b"
   integrity sha512-+o2q111WEx4srBs7L9eJmcwi655eD8sXniLqMB93TBK9GrNzGrxDWSjiqz2hLU0Ha8MTXFIP0yd9fNdP+m43ZQ==
@@ -402,7 +382,7 @@
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"
 
-"@babel/plugin-transform-block-scoping@^7.5.5":
+"@babel/plugin-transform-block-scoping@^7.6.0":
   version "7.6.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-block-scoping/-/plugin-transform-block-scoping-7.6.0.tgz#c49e21228c4bbd4068a35667e6d951c75439b1dc"
   integrity sha512-tIt4E23+kw6TgL/edACZwP1OUKrjOTyMrFMLoT5IOFrfMRabCgekjqFd5o6PaAMildBu46oFkekIdMuGkkPEpA==
@@ -431,7 +411,7 @@
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"
 
-"@babel/plugin-transform-destructuring@^7.5.0":
+"@babel/plugin-transform-destructuring@^7.6.0":
   version "7.6.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-destructuring/-/plugin-transform-destructuring-7.6.0.tgz#44bbe08b57f4480094d57d9ffbcd96d309075ba6"
   integrity sha512-2bGIS5P1v4+sWTCnKNDZDxbGvEqi0ijeqM/YqHtVGrvG2y0ySgnEEhXErvE9dA0bnIzY9bIzdFK0jFA46ASIIQ==
@@ -500,7 +480,7 @@
     "@babel/helper-plugin-utils" "^7.0.0"
     babel-plugin-dynamic-import-node "^2.3.0"
 
-"@babel/plugin-transform-modules-commonjs@^7.5.0":
+"@babel/plugin-transform-modules-commonjs@^7.6.0":
   version "7.6.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-commonjs/-/plugin-transform-modules-commonjs-7.6.0.tgz#39dfe957de4420445f1fcf88b68a2e4aa4515486"
   integrity sha512-Ma93Ix95PNSEngqomy5LSBMAQvYKVe3dy+JlVJSHEXZR5ASL9lQBedMiCyVtmTLraIDVRE3ZjTZvmXXD2Ozw3g==
@@ -527,7 +507,7 @@
     "@babel/helper-module-transforms" "^7.1.0"
     "@babel/helper-plugin-utils" "^7.0.0"
 
-"@babel/plugin-transform-named-capturing-groups-regex@^7.4.5":
+"@babel/plugin-transform-named-capturing-groups-regex@^7.6.0":
   version "7.6.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-named-capturing-groups-regex/-/plugin-transform-named-capturing-groups-regex-7.6.0.tgz#1e6e663097813bb4f53d42df0750cf28ad3bb3f1"
   integrity sha512-jem7uytlmrRl3iCAuQyw8BpB4c4LWvSpvIeXKpMb+7j84lkx4m4mYr5ErAcmN5KM7B6BqrAvRGjBIbbzqCczew==
@@ -616,7 +596,7 @@
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"
 
-"@babel/plugin-transform-typescript@^7.3.2":
+"@babel/plugin-transform-typescript@^7.6.0":
   version "7.6.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-typescript/-/plugin-transform-typescript-7.6.0.tgz#48d78405f1aa856ebeea7288a48a19ed8da377a6"
   integrity sha512-yzw7EopOOr6saONZ3KA3lpizKnWRTe+rfBqg4AmQbSow7ik7fqmzrfIqt053osLwLE2AaTqGinLM2tl6+M/uog==
@@ -634,7 +614,7 @@
     "@babel/helper-regex" "^7.4.4"
     regexpu-core "^4.5.4"
 
-"@babel/polyfill@^7.0.0":
+"@babel/polyfill@^7.6.0":
   version "7.6.0"
   resolved "https://registry.yarnpkg.com/@babel/polyfill/-/polyfill-7.6.0.tgz#6d89203f8b6cd323e8d946e47774ea35dc0619cc"
   integrity sha512-q5BZJI0n/B10VaQQvln1IlDK3BTBJFbADx7tv+oXDPIDZuTo37H5Adb9jhlXm/fEN4Y7/64qD9mnrJJG7rmaTw==
@@ -642,10 +622,10 @@
     core-js "^2.6.5"
     regenerator-runtime "^0.13.2"
 
-"@babel/preset-env@7.5.5":
-  version "7.5.5"
-  resolved "https://registry.yarnpkg.com/@babel/preset-env/-/preset-env-7.5.5.tgz#bc470b53acaa48df4b8db24a570d6da1fef53c9a"
-  integrity sha512-GMZQka/+INwsMz1A5UEql8tG015h5j/qjptpKY2gJ7giy8ohzU710YciJB5rcKsWGWHiW3RUnHib0E5/m3Tp3A==
+"@babel/preset-env@7.6.0":
+  version "7.6.0"
+  resolved "https://registry.yarnpkg.com/@babel/preset-env/-/preset-env-7.6.0.tgz#aae4141c506100bb2bfaa4ac2a5c12b395619e50"
+  integrity sha512-1efzxFv/TcPsNXlRhMzRnkBFMeIqBBgzwmZwlFDw5Ubj0AGLeufxugirwZmkkX/ayi3owsSqoQ4fw8LkfK9SYg==
   dependencies:
     "@babel/helper-module-imports" "^7.0.0"
     "@babel/helper-plugin-utils" "^7.0.0"
@@ -663,10 +643,10 @@
     "@babel/plugin-transform-arrow-functions" "^7.2.0"
     "@babel/plugin-transform-async-to-generator" "^7.5.0"
     "@babel/plugin-transform-block-scoped-functions" "^7.2.0"
-    "@babel/plugin-transform-block-scoping" "^7.5.5"
+    "@babel/plugin-transform-block-scoping" "^7.6.0"
     "@babel/plugin-transform-classes" "^7.5.5"
     "@babel/plugin-transform-computed-properties" "^7.2.0"
-    "@babel/plugin-transform-destructuring" "^7.5.0"
+    "@babel/plugin-transform-destructuring" "^7.6.0"
     "@babel/plugin-transform-dotall-regex" "^7.4.4"
     "@babel/plugin-transform-duplicate-keys" "^7.5.0"
     "@babel/plugin-transform-exponentiation-operator" "^7.2.0"
@@ -675,10 +655,10 @@
     "@babel/plugin-transform-literals" "^7.2.0"
     "@babel/plugin-transform-member-expression-literals" "^7.2.0"
     "@babel/plugin-transform-modules-amd" "^7.5.0"
-    "@babel/plugin-transform-modules-commonjs" "^7.5.0"
+    "@babel/plugin-transform-modules-commonjs" "^7.6.0"
     "@babel/plugin-transform-modules-systemjs" "^7.5.0"
     "@babel/plugin-transform-modules-umd" "^7.2.0"
-    "@babel/plugin-transform-named-capturing-groups-regex" "^7.4.5"
+    "@babel/plugin-transform-named-capturing-groups-regex" "^7.6.0"
     "@babel/plugin-transform-new-target" "^7.4.4"
     "@babel/plugin-transform-object-super" "^7.5.5"
     "@babel/plugin-transform-parameters" "^7.4.4"
@@ -691,22 +671,22 @@
     "@babel/plugin-transform-template-literals" "^7.4.4"
     "@babel/plugin-transform-typeof-symbol" "^7.2.0"
     "@babel/plugin-transform-unicode-regex" "^7.4.4"
-    "@babel/types" "^7.5.5"
+    "@babel/types" "^7.6.0"
     browserslist "^4.6.0"
     core-js-compat "^3.1.1"
     invariant "^2.2.2"
     js-levenshtein "^1.1.3"
     semver "^5.5.0"
 
-"@babel/preset-typescript@7.3.3":
-  version "7.3.3"
-  resolved "https://registry.yarnpkg.com/@babel/preset-typescript/-/preset-typescript-7.3.3.tgz#88669911053fa16b2b276ea2ede2ca603b3f307a"
-  integrity sha512-mzMVuIP4lqtn4du2ynEfdO0+RYcslwrZiJHXu4MGaC1ctJiW2fyaeDrtjJGs7R/KebZ1sgowcIoWf4uRpEfKEg==
+"@babel/preset-typescript@7.6.0":
+  version "7.6.0"
+  resolved "https://registry.yarnpkg.com/@babel/preset-typescript/-/preset-typescript-7.6.0.tgz#25768cb8830280baf47c45ab1a519a9977498c98"
+  integrity sha512-4xKw3tTcCm0qApyT6PqM9qniseCE79xGHiUnNdKGdxNsGUc2X7WwZybqIpnTmoukg3nhPceI5KPNzNqLNeIJww==
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"
-    "@babel/plugin-transform-typescript" "^7.3.2"
+    "@babel/plugin-transform-typescript" "^7.6.0"
 
-"@babel/register@^7.5.5":
+"@babel/register@^7.6.0":
   version "7.6.0"
   resolved "https://registry.yarnpkg.com/@babel/register/-/register-7.6.0.tgz#76b6f466714680f4becafd45beeb2a7b87431abf"
   integrity sha512-78BomdN8el+x/nkup9KwtjJXuptW5oXMFmP11WoM2VJBjxrKv4grC3qjpLL8RGGUYUGsm57xnjYFM2uom+jWUQ==
@@ -2133,7 +2113,7 @@ check-error@^1.0.2:
   resolved "https://registry.yarnpkg.com/check-error/-/check-error-1.0.2.tgz#574d312edd88bb5dd8912e9286dd6c0aed4aac82"
   integrity sha1-V00xLt2Iu13YkS6Sht1sCu1KrII=
 
-chokidar@^2.0.4:
+chokidar@^2.1.8:
   version "2.1.8"
   resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-2.1.8.tgz#804b3a7b6a99358c3c5c61e71d8728f041cff917"
   integrity sha512-ZmZUazfOzf0Nve7duiCKD23PFSCs4JPoYyccjUFF3aQkQadqBhfzhjkwBH2mNOG9cTBwhamM37EIsIkZw3nRgg==