diff --git a/package.json b/package.json
index d9c57d0..02899b7 100644
--- a/package.json
+++ b/package.json
@@ -40,11 +40,11 @@
     "regenerator-runtime": "^0.13.5"
   },
   "devDependencies": {
-    "@babel/cli": "7.10.4",
-    "@babel/core": "7.10.4",
-    "@babel/plugin-proposal-async-generator-functions": "7.10.4",
+    "@babel/cli": "7.10.5",
+    "@babel/core": "7.10.5",
+    "@babel/plugin-proposal-async-generator-functions": "7.10.5",
     "@babel/preset-env": "7.10.4",
-    "@babel/register": "7.10.4",
+    "@babel/register": "7.10.5",
     "ava": "3.11.0",
     "coveralls": "3.1.0",
     "np": "6.3.2",
diff --git a/yarn.lock b/yarn.lock
index 068d85e..48f149e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -53,16 +53,16 @@
   resolved "https://registry.yarnpkg.com/@aureooms/js-tape/-/js-tape-7.0.0.tgz#2e11c416368c7331fbf1fb9f34a4b5e54b694df2"
   integrity sha512-pUXKe28iLq51SslPtYHHZVrthXgNiiax4ZLTDmu0fVv5Zmry3kEEIRrIMpLtTsvBG6Lv6tBU+HWrbTbPZXYa4Q==
 
-"@babel/cli@7.10.4":
-  version "7.10.4"
-  resolved "https://registry.yarnpkg.com/@babel/cli/-/cli-7.10.4.tgz#ba38ad6d0b4b772a67b106934b7c33d656031896"
-  integrity sha512-xX99K4V1BzGJdQANK5cwK+EpF1vP9gvqhn+iWvG+TubCjecplW7RSQimJ2jcCvu6fnK5pY6mZMdu6EWTj32QVA==
+"@babel/cli@7.10.5":
+  version "7.10.5"
+  resolved "https://registry.yarnpkg.com/@babel/cli/-/cli-7.10.5.tgz#57df2987c8cf89d0fc7d4b157ec59d7619f1b77a"
+  integrity sha512-j9H9qSf3kLdM0Ao3aGPbGZ73mEA9XazuupcS6cDGWuiyAcANoguhP0r2Lx32H5JGw4sSSoHG3x/mxVnHgvOoyA==
   dependencies:
     commander "^4.0.1"
     convert-source-map "^1.1.0"
     fs-readdir-recursive "^1.1.0"
     glob "^7.0.0"
-    lodash "^4.17.13"
+    lodash "^4.17.19"
     make-dir "^2.1.0"
     slash "^2.0.0"
     source-map "^0.5.0"
@@ -92,24 +92,24 @@
     invariant "^2.2.4"
     semver "^5.5.0"
 
-"@babel/core@7.10.4":
-  version "7.10.4"
-  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.10.4.tgz#780e8b83e496152f8dd7df63892b2e052bf1d51d"
-  integrity sha512-3A0tS0HWpy4XujGc7QtOIHTeNwUgWaZc/WuS5YQrfhU67jnVmsD6OGPc1AKHH0LJHQICGncy3+YUjIhVlfDdcA==
+"@babel/core@7.10.5":
+  version "7.10.5"
+  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.10.5.tgz#1f15e2cca8ad9a1d78a38ddba612f5e7cdbbd330"
+  integrity sha512-O34LQooYVDXPl7QWCdW9p4NR+QlzOr7xShPPJz8GsuCU3/8ua/wqTr7gmnxXv+WBESiGU/G5s16i6tUvHkNb+w==
   dependencies:
     "@babel/code-frame" "^7.10.4"
-    "@babel/generator" "^7.10.4"
-    "@babel/helper-module-transforms" "^7.10.4"
+    "@babel/generator" "^7.10.5"
+    "@babel/helper-module-transforms" "^7.10.5"
     "@babel/helpers" "^7.10.4"
-    "@babel/parser" "^7.10.4"
+    "@babel/parser" "^7.10.5"
     "@babel/template" "^7.10.4"
-    "@babel/traverse" "^7.10.4"
-    "@babel/types" "^7.10.4"
+    "@babel/traverse" "^7.10.5"
+    "@babel/types" "^7.10.5"
     convert-source-map "^1.7.0"
     debug "^4.1.0"
     gensync "^1.0.0-beta.1"
     json5 "^2.1.2"
-    lodash "^4.17.13"
+    lodash "^4.17.19"
     resolve "^1.3.2"
     semver "^5.4.1"
     source-map "^0.5.0"
@@ -146,6 +146,15 @@
     lodash "^4.17.13"
     source-map "^0.5.0"
 
+"@babel/generator@^7.10.5":
+  version "7.10.5"
+  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.10.5.tgz#1b903554bc8c583ee8d25f1e8969732e6b829a69"
+  integrity sha512-3vXxr3FEW7E7lJZiWQ3bM4+v/Vyr9C+hpolQ8BGFr9Y8Ri2tFLWTixmwKBafDujO1WVah4fhZBeU1bieKdghig==
+  dependencies:
+    "@babel/types" "^7.10.5"
+    jsesc "^2.5.1"
+    source-map "^0.5.0"
+
 "@babel/generator@^7.9.0", "@babel/generator@^7.9.5":
   version "7.9.5"
   resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.9.5.tgz#27f0917741acc41e6eaaced6d68f96c3fa9afaf9"
@@ -316,6 +325,19 @@
     "@babel/types" "^7.10.4"
     lodash "^4.17.13"
 
+"@babel/helper-module-transforms@^7.10.5":
+  version "7.10.5"
+  resolved "https://registry.yarnpkg.com/@babel/helper-module-transforms/-/helper-module-transforms-7.10.5.tgz#120c271c0b3353673fcdfd8c053db3c544a260d6"
+  integrity sha512-4P+CWMJ6/j1W915ITJaUkadLObmCRRSC234uctJfn/vHrsLNxsR8dwlcXv9ZhJWzl77awf+mWXSZEKt5t0OnlA==
+  dependencies:
+    "@babel/helper-module-imports" "^7.10.4"
+    "@babel/helper-replace-supers" "^7.10.4"
+    "@babel/helper-simple-access" "^7.10.4"
+    "@babel/helper-split-export-declaration" "^7.10.4"
+    "@babel/template" "^7.10.4"
+    "@babel/types" "^7.10.5"
+    lodash "^4.17.19"
+
 "@babel/helper-module-transforms@^7.9.0":
   version "7.9.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-module-transforms/-/helper-module-transforms-7.9.0.tgz#43b34dfe15961918707d247327431388e9fe96e5"
@@ -489,12 +511,26 @@
   resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.10.4.tgz#9eedf27e1998d87739fb5028a5120557c06a1a64"
   integrity sha512-8jHII4hf+YVDsskTF6WuMB3X4Eh+PsUkC2ljq22so5rHvH+T8BzyL94VOdyFLNR8tBSVXOTbNHOKpR4TfRxVtA==
 
+"@babel/parser@^7.10.5":
+  version "7.10.5"
+  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.10.5.tgz#e7c6bf5a7deff957cec9f04b551e2762909d826b"
+  integrity sha512-wfryxy4bE1UivvQKSQDU4/X6dr+i8bctjUjj8Zyt3DQy7NtPizJXT8M52nqpNKL+nq2PW8lxk4ZqLj0fD4B4hQ==
+
 "@babel/parser@^7.7.5", "@babel/parser@^7.8.6", "@babel/parser@^7.9.0":
   version "7.9.4"
   resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.9.4.tgz#68a35e6b0319bbc014465be43828300113f2f2e8"
   integrity sha512-bC49otXX6N0/VYhgOMh4gnP26E9xnDZK3TmbNpxYzzz9BQLBosQwfyOe9/cXUU3txYhTzLCbcqd5c8y/OmCjHA==
 
-"@babel/plugin-proposal-async-generator-functions@7.10.4", "@babel/plugin-proposal-async-generator-functions@^7.10.4":
+"@babel/plugin-proposal-async-generator-functions@7.10.5":
+  version "7.10.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-async-generator-functions/-/plugin-proposal-async-generator-functions-7.10.5.tgz#3491cabf2f7c179ab820606cec27fed15e0e8558"
+  integrity sha512-cNMCVezQbrRGvXJwm9fu/1sJj9bHdGAgKodZdLqOQIpfoH3raqmRPBM17+lh7CzhiKRRBrGtZL9WcjxSoGYUSg==
+  dependencies:
+    "@babel/helper-plugin-utils" "^7.10.4"
+    "@babel/helper-remap-async-to-generator" "^7.10.4"
+    "@babel/plugin-syntax-async-generators" "^7.8.0"
+
+"@babel/plugin-proposal-async-generator-functions@^7.10.4":
   version "7.10.4"
   resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-async-generator-functions/-/plugin-proposal-async-generator-functions-7.10.4.tgz#4b65abb3d9bacc6c657aaa413e56696f9f170fc6"
   integrity sha512-MJbxGSmejEFVOANAezdO39SObkURO5o/8b6fSH6D1pi9RZQt+ldppKPXfqgUWpSQ9asM6xaSaSJIaeWMDRP0Zg==
@@ -1002,13 +1038,13 @@
     "@babel/types" "^7.4.4"
     esutils "^2.0.2"
 
-"@babel/register@7.10.4":
-  version "7.10.4"
-  resolved "https://registry.yarnpkg.com/@babel/register/-/register-7.10.4.tgz#53004ba8b04c4af3cbd84508e03ad150669746e4"
-  integrity sha512-whHmgGiWNVyTVnYTSawtDWhaeYsc+noeU8Rmi+MPnbGhDYmr5QpEDMrQcIA07D2RUv0BlThPcN89XcHCqq/O4g==
+"@babel/register@7.10.5":
+  version "7.10.5"
+  resolved "https://registry.yarnpkg.com/@babel/register/-/register-7.10.5.tgz#354f3574895f1307f79efe37a51525e52fd38d89"
+  integrity sha512-eYHdLv43nyvmPn9bfNfrcC4+iYNwdQ8Pxk1MFJuU/U5LpSYl/PH4dFMazCYZDFVi8ueG3shvO+AQfLrxpYulQw==
   dependencies:
     find-cache-dir "^2.0.0"
-    lodash "^4.17.13"
+    lodash "^4.17.19"
     make-dir "^2.1.0"
     pirates "^4.0.0"
     source-map-support "^0.5.16"
@@ -1053,6 +1089,21 @@
     globals "^11.1.0"
     lodash "^4.17.13"
 
+"@babel/traverse@^7.10.5":
+  version "7.10.5"
+  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.10.5.tgz#77ce464f5b258be265af618d8fddf0536f20b564"
+  integrity sha512-yc/fyv2gUjPqzTz0WHeRJH2pv7jA9kA7mBX2tXl/x5iOE81uaVPuGPtaYk7wmkx4b67mQ7NqI8rmT2pF47KYKQ==
+  dependencies:
+    "@babel/code-frame" "^7.10.4"
+    "@babel/generator" "^7.10.5"
+    "@babel/helper-function-name" "^7.10.4"
+    "@babel/helper-split-export-declaration" "^7.10.4"
+    "@babel/parser" "^7.10.5"
+    "@babel/types" "^7.10.5"
+    debug "^4.1.0"
+    globals "^11.1.0"
+    lodash "^4.17.19"
+
 "@babel/traverse@^7.7.4", "@babel/traverse@^7.8.6", "@babel/traverse@^7.9.0":
   version "7.9.5"
   resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.9.5.tgz#6e7c56b44e2ac7011a948c21e283ddd9d9db97a2"
@@ -1077,6 +1128,15 @@
     lodash "^4.17.13"
     to-fast-properties "^2.0.0"
 
+"@babel/types@^7.10.5":
+  version "7.10.5"
+  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.10.5.tgz#d88ae7e2fde86bfbfe851d4d81afa70a997b5d15"
+  integrity sha512-ixV66KWfCI6GKoA/2H9v6bQdbfXEwwpOdQ8cRvb4F+eyvhlaHxWFMQB4+3d9QFJXZsiiiqVrewNV0DFEQpyT4Q==
+  dependencies:
+    "@babel/helper-validator-identifier" "^7.10.4"
+    lodash "^4.17.19"
+    to-fast-properties "^2.0.0"
+
 "@babel/types@^7.4.4", "@babel/types@^7.8.3", "@babel/types@^7.8.6", "@babel/types@^7.9.0", "@babel/types@^7.9.5":
   version "7.9.5"
   resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.9.5.tgz#89231f82915a8a566a703b3b20133f73da6b9444"