diff --git a/package.json b/package.json
index b227de7..f9cb998 100644
--- a/package.json
+++ b/package.json
@@ -35,11 +35,11 @@
   "devDependencies": {
     "@aureooms/js-compare": "1.4.8",
     "@aureooms/js-tape": "7.0.0",
-    "@babel/cli": "7.13.0",
-    "@babel/core": "7.13.8",
+    "@babel/cli": "7.13.10",
+    "@babel/core": "7.13.10",
     "@babel/plugin-proposal-async-generator-functions": "7.13.8",
     "@babel/polyfill": "7.12.1",
-    "@babel/preset-env": "7.13.9",
+    "@babel/preset-env": "7.13.10",
     "@babel/register": "7.13.8",
     "ava": "3.15.0",
     "coveralls": "3.1.0",
diff --git a/yarn.lock b/yarn.lock
index f2ca9b6..274315f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -32,10 +32,10 @@
   resolved "https://registry.yarnpkg.com/@aureooms/js-tape/-/js-tape-7.0.0.tgz#2e11c416368c7331fbf1fb9f34a4b5e54b694df2"
   integrity sha512-pUXKe28iLq51SslPtYHHZVrthXgNiiax4ZLTDmu0fVv5Zmry3kEEIRrIMpLtTsvBG6Lv6tBU+HWrbTbPZXYa4Q==
 
-"@babel/cli@7.13.0":
-  version "7.13.0"
-  resolved "https://registry.yarnpkg.com/@babel/cli/-/cli-7.13.0.tgz#48e77614e897615ca299bece587b68a70723ff4c"
-  integrity sha512-y5AohgeVhU+wO5kU1WGMLdocFj83xCxVjsVFa2ilII8NEwmBZvx7Ambq621FbFIK68loYJ9p43nfoi6es+rzSA==
+"@babel/cli@7.13.10":
+  version "7.13.10"
+  resolved "https://registry.yarnpkg.com/@babel/cli/-/cli-7.13.10.tgz#3a9254cbe806639c8ca4ebd49ebe54b4267b88c9"
+  integrity sha512-lYSBC7B4B9hJ7sv0Ojx1BrGhuzCoOIYfLjd+Xpd4rOzdS+a47yi8voV8vFkfjlZR1N5qZO7ixOCbobUdT304PQ==
   dependencies:
     commander "^4.0.1"
     convert-source-map "^1.1.0"
@@ -73,17 +73,17 @@
   resolved "https://registry.yarnpkg.com/@babel/compat-data/-/compat-data-7.13.8.tgz#5b783b9808f15cef71547f1b691f34f8ff6003a6"
   integrity sha512-EaI33z19T4qN3xLXsGf48M2cDqa6ei9tPZlfLdb2HC+e/cFtREiRd8hdSqDbwdLB0/+gLwqJmCYASH0z2bUdog==
 
-"@babel/core@7.13.8":
-  version "7.13.8"
-  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.13.8.tgz#c191d9c5871788a591d69ea1dc03e5843a3680fb"
-  integrity sha512-oYapIySGw1zGhEFRd6lzWNLWFX2s5dA/jm+Pw/+59ZdXtjyIuwlXbrId22Md0rgZVop+aVoqow2riXhBLNyuQg==
+"@babel/core@7.13.10":
+  version "7.13.10"
+  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.13.10.tgz#07de050bbd8193fcd8a3c27918c0890613a94559"
+  integrity sha512-bfIYcT0BdKeAZrovpMqX2Mx5NrgAckGbwT982AkdS5GNfn3KMGiprlBAtmBcFZRUmpaufS6WZFP8trvx8ptFDw==
   dependencies:
     "@babel/code-frame" "^7.12.13"
-    "@babel/generator" "^7.13.0"
-    "@babel/helper-compilation-targets" "^7.13.8"
+    "@babel/generator" "^7.13.9"
+    "@babel/helper-compilation-targets" "^7.13.10"
     "@babel/helper-module-transforms" "^7.13.0"
-    "@babel/helpers" "^7.13.0"
-    "@babel/parser" "^7.13.4"
+    "@babel/helpers" "^7.13.10"
+    "@babel/parser" "^7.13.10"
     "@babel/template" "^7.12.13"
     "@babel/traverse" "^7.13.0"
     "@babel/types" "^7.13.0"
@@ -135,6 +135,15 @@
     jsesc "^2.5.1"
     source-map "^0.5.0"
 
+"@babel/generator@^7.13.9":
+  version "7.13.9"
+  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.13.9.tgz#3a7aa96f9efb8e2be42d38d80e2ceb4c64d8de39"
+  integrity sha512-mHOOmY0Axl/JCTkxTU6Lf5sWOg/v8nUa+Xkt4zMTftX0wqmb6Sh7J8gvcehBw7q0AhrhAR+FDacKjCZ2X8K+Sw==
+  dependencies:
+    "@babel/types" "^7.13.0"
+    jsesc "^2.5.1"
+    source-map "^0.5.0"
+
 "@babel/generator@^7.9.6":
   version "7.9.6"
   resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.9.6.tgz#5408c82ac5de98cda0d77d8124e99fa1f2170a43"
@@ -177,6 +186,16 @@
     browserslist "^4.14.5"
     semver "7.0.0"
 
+"@babel/helper-compilation-targets@^7.13.10":
+  version "7.13.10"
+  resolved "https://registry.yarnpkg.com/@babel/helper-compilation-targets/-/helper-compilation-targets-7.13.10.tgz#1310a1678cb8427c07a753750da4f8ce442bdd0c"
+  integrity sha512-/Xju7Qg1GQO4mHZ/Kcs6Au7gfafgZnwm+a7sy/ow/tV1sHeraRUHbjdat8/UvDor4Tez+siGKDk6zIKtCPKVJA==
+  dependencies:
+    "@babel/compat-data" "^7.13.8"
+    "@babel/helper-validator-option" "^7.12.17"
+    browserslist "^4.14.5"
+    semver "^6.3.0"
+
 "@babel/helper-compilation-targets@^7.13.8":
   version "7.13.8"
   resolved "https://registry.yarnpkg.com/@babel/helper-compilation-targets/-/helper-compilation-targets-7.13.8.tgz#02bdb22783439afb11b2f009814bdd88384bd468"
@@ -485,10 +504,10 @@
     "@babel/traverse" "^7.13.0"
     "@babel/types" "^7.13.0"
 
-"@babel/helpers@^7.13.0":
-  version "7.13.0"
-  resolved "https://registry.yarnpkg.com/@babel/helpers/-/helpers-7.13.0.tgz#7647ae57377b4f0408bf4f8a7af01c42e41badc0"
-  integrity sha512-aan1MeFPxFacZeSz6Ld7YZo5aPuqnKlD7+HZY75xQsueczFccP9A7V05+oe0XpLwHK3oLorPe9eaAUljL7WEaQ==
+"@babel/helpers@^7.13.10":
+  version "7.13.10"
+  resolved "https://registry.yarnpkg.com/@babel/helpers/-/helpers-7.13.10.tgz#fd8e2ba7488533cdeac45cc158e9ebca5e3c7df8"
+  integrity sha512-4VO883+MWPDUVRF3PhiLBUFHoX/bsLTGFpFK/HqvvfBZz2D57u9XzPVNFVBTc0PW/CWR9BXTOKt8NF4DInUHcQ==
   dependencies:
     "@babel/template" "^7.12.13"
     "@babel/traverse" "^7.13.0"
@@ -531,10 +550,10 @@
   resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.13.0.tgz#49b9b6ee213e5634fa80361dae139effef893f78"
   integrity sha512-w80kxEMFhE3wjMOQkfdTvv0CSdRSJZptIlLhU4eU/coNJeWjduspUFz+IRnBbAq6m5XYBFMoT1TNkk9K9yf10g==
 
-"@babel/parser@^7.13.4":
-  version "7.13.4"
-  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.13.4.tgz#340211b0da94a351a6f10e63671fa727333d13ab"
-  integrity sha512-uvoOulWHhI+0+1f9L4BoozY7U5cIkZ9PgJqvb041d6vypgUmtVPG4vmGm4pSggjl8BELzvHyUeJSUyEMY6b+qA==
+"@babel/parser@^7.13.10":
+  version "7.13.10"
+  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.13.10.tgz#8f8f9bf7b3afa3eabd061f7a5bcdf4fec3c48409"
+  integrity sha512-0s7Mlrw9uTWkYua7xWr99Wpk2bnGa0ANleKfksYAES8LpWH4gW1OUr42vqKNf0us5UQNfru2wPqMqRITzq/SIQ==
 
 "@babel/parser@^7.7.5", "@babel/parser@^7.8.6", "@babel/parser@^7.9.6":
   version "7.9.6"
@@ -1006,13 +1025,13 @@
     core-js "^2.6.5"
     regenerator-runtime "^0.13.4"
 
-"@babel/preset-env@7.13.9":
-  version "7.13.9"
-  resolved "https://registry.yarnpkg.com/@babel/preset-env/-/preset-env-7.13.9.tgz#3ee5f233316b10d066d7f379c6d1e13a96853654"
-  integrity sha512-mcsHUlh2rIhViqMG823JpscLMesRt3QbMsv1+jhopXEb3W2wXvQ9QoiOlZI9ZbR3XqPtaFpZwEZKYqGJnGMZTQ==
+"@babel/preset-env@7.13.10":
+  version "7.13.10"
+  resolved "https://registry.yarnpkg.com/@babel/preset-env/-/preset-env-7.13.10.tgz#b5cde31d5fe77ab2a6ab3d453b59041a1b3a5252"
+  integrity sha512-nOsTScuoRghRtUsRr/c69d042ysfPHcu+KOB4A9aAO9eJYqrkat+LF8G1yp1HD18QiwixT2CisZTr/0b3YZPXQ==
   dependencies:
     "@babel/compat-data" "^7.13.8"
-    "@babel/helper-compilation-targets" "^7.13.8"
+    "@babel/helper-compilation-targets" "^7.13.10"
     "@babel/helper-plugin-utils" "^7.13.0"
     "@babel/helper-validator-option" "^7.12.17"
     "@babel/plugin-proposal-async-generator-functions" "^7.13.8"