diff --git a/package.json b/package.json
index 65279a8..c040444 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "@aureooms/js-functools": "2.0.3",
     "@aureooms/js-itertools": "4.1.0",
     "@babel/cli": "7.12.1",
-    "@babel/core": "7.12.1",
+    "@babel/core": "7.12.3",
     "@babel/polyfill": "7.12.1",
     "@babel/preset-env": "7.12.1",
     "@babel/register": "7.12.1",
diff --git a/yarn.lock b/yarn.lock
index 9d82a5d..c92432c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -68,16 +68,16 @@
   resolved "https://registry.yarnpkg.com/@babel/compat-data/-/compat-data-7.12.1.tgz#d7386a689aa0ddf06255005b4b991988021101a0"
   integrity sha512-725AQupWJZ8ba0jbKceeFblZTY90McUBWMwHhkFQ9q1zKPJ95GUktljFcgcsIVwRnTnRKlcYzfiNImg5G9m6ZQ==
 
-"@babel/core@7.12.1":
-  version "7.12.1"
-  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.12.1.tgz#980b115a05929ef3ce1b6af9bf50e5a5cf668667"
-  integrity sha512-6bGmltqzIJrinwRRdczQsMhruSi9Sqty9Te+/5hudn4Izx/JYRhW1QELpR+CIL0gC/c9A7WroH6FmkDGxmWx3w==
+"@babel/core@7.12.3":
+  version "7.12.3"
+  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.12.3.tgz#1b436884e1e3bff6fb1328dc02b208759de92ad8"
+  integrity sha512-0qXcZYKZp3/6N2jKYVxZv0aNCsxTSVCiK72DTiTYZAu7sjg73W0/aynWjMbiGd87EQL4WyA8reiJVh92AVla9g==
   dependencies:
     "@babel/code-frame" "^7.10.4"
     "@babel/generator" "^7.12.1"
     "@babel/helper-module-transforms" "^7.12.1"
     "@babel/helpers" "^7.12.1"
-    "@babel/parser" "^7.12.1"
+    "@babel/parser" "^7.12.3"
     "@babel/template" "^7.10.4"
     "@babel/traverse" "^7.12.1"
     "@babel/types" "^7.12.1"
@@ -495,6 +495,11 @@
   resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.12.1.tgz#dc03f543a0ed51396d4081463df66ecb3a2efa53"
   integrity sha512-xjZsx0sBjb6J2+QkoHI69UeD2EWbsyUW0WyZKOoJ9sBrQLxfOApWEefR9dIVOYJVj97VRXnLKLDvnn3dPDNgww==
 
+"@babel/parser@^7.12.3":
+  version "7.12.3"
+  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.12.3.tgz#a305415ebe7a6c7023b40b5122a0662d928334cd"
+  integrity sha512-kFsOS0IbsuhO5ojF8Hc8z/8vEIOkylVBrjiZUbLTE3XFe0Qi+uu6HjzQixkFaqr0ZPAMZcBVxEwmsnsLPZ2Xsw==
+
 "@babel/parser@^7.7.5", "@babel/parser@^7.8.6", "@babel/parser@^7.9.6":
   version "7.9.6"
   resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.9.6.tgz#3b1bbb30dabe600cd72db58720998376ff653bc7"