diff --git a/yarn.lock b/yarn.lock
index 9b3f71cdf9d9ea..f882d36d9388cf 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -46,7 +46,7 @@
     semver "^5.4.1"
     source-map "^0.5.0"
 
-"@babel/core@^7.0.0", "@babel/core@^7.1.6", "@babel/core@^7.2.2":
+"@babel/core@^7.0.0", "@babel/core@^7.1.6", "@babel/core@^7.2.2", "@babel/core@^7.4.0":
   version "7.4.4"
   resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.4.4.tgz#84055750b05fcd50f9915a826b44fa347a825250"
   integrity sha512-lQgGX3FPRgbz2SKmhMtYgJvVzGZrmjaF4apZ2bLwofAKiSjxU0drPh4S/VasyYXwaTs+A1gvQ45BN8SQJzHsQQ==
@@ -77,17 +77,6 @@
     source-map "^0.5.0"
     trim-right "^1.0.1"
 
-"@babel/generator@^7.4.4":
-  version "7.4.4"
-  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.4.4.tgz#174a215eb843fc392c7edcaabeaa873de6e8f041"
-  integrity sha512-53UOLK6TVNqKxf7RUh8NE851EHRxOOeVXKbK2bivdb+iziMyk03Sr4eaE9OELCbyZAAafAKPDwF2TPUES5QbxQ==
-  dependencies:
-    "@babel/types" "^7.4.4"
-    jsesc "^2.5.1"
-    lodash "^4.17.11"
-    source-map "^0.5.0"
-    trim-right "^1.0.1"
-
 "@babel/helper-annotate-as-pure@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-annotate-as-pure/-/helper-annotate-as-pure-7.0.0.tgz#323d39dd0b50e10c7c06ca7d7638e6864d8c5c32"
@@ -253,13 +242,6 @@
   dependencies:
     "@babel/types" "^7.4.4"
 
-"@babel/helper-split-export-declaration@^7.4.4":
-  version "7.4.4"
-  resolved "https://registry.yarnpkg.com/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.4.4.tgz#ff94894a340be78f53f06af038b205c49d993677"
-  integrity sha512-Ro/XkzLf3JFITkW6b+hNxzZ1n5OQ80NvIUdmHspih1XAhtN3vPTuUFT4eQnela+2MaZ5ulH+iyP513KJrxbN7Q==
-  dependencies:
-    "@babel/types" "^7.4.4"
-
 "@babel/helper-wrap-function@^7.1.0":
   version "7.2.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-wrap-function/-/helper-wrap-function-7.2.0.tgz#c4e0012445769e2815b55296ead43a958549f6fa"
@@ -279,15 +261,6 @@
     "@babel/traverse" "^7.4.4"
     "@babel/types" "^7.4.4"
 
-"@babel/helpers@^7.4.4":
-  version "7.4.4"
-  resolved "https://registry.yarnpkg.com/@babel/helpers/-/helpers-7.4.4.tgz#868b0ef59c1dd4e78744562d5ce1b59c89f2f2a5"
-  integrity sha512-igczbR/0SeuPR8RFfC7tGrbdTbFL3QTvH6D+Z6zNxnTe//GyqmtHmDkzrqDmyZ3eSwPqB/LhyKoU5DXsp+Vp2A==
-  dependencies:
-    "@babel/template" "^7.4.4"
-    "@babel/traverse" "^7.4.4"
-    "@babel/types" "^7.4.4"
-
 "@babel/highlight@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/highlight/-/highlight-7.0.0.tgz#f710c38c8d458e6dd9a201afb637fcb781ce99e4"
@@ -313,11 +286,6 @@
   resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.4.4.tgz#5977129431b8fe33471730d255ce8654ae1250b6"
   integrity sha512-5pCS4mOsL+ANsFZGdvNLybx4wtqAZJ0MJjMHxvzI3bvIsz6sQvzW8XX92EYIkiPtIvcfG3Aj+Ir5VNyjnZhP7w==
 
-"@babel/parser@^7.4.4":
-  version "7.4.4"
-  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.4.4.tgz#5977129431b8fe33471730d255ce8654ae1250b6"
-  integrity sha512-5pCS4mOsL+ANsFZGdvNLybx4wtqAZJ0MJjMHxvzI3bvIsz6sQvzW8XX92EYIkiPtIvcfG3Aj+Ir5VNyjnZhP7w==
-
 "@babel/plugin-proposal-async-generator-functions@^7.1.0", "@babel/plugin-proposal-async-generator-functions@^7.2.0":
   version "7.2.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-async-generator-functions/-/plugin-proposal-async-generator-functions-7.2.0.tgz#b289b306669dce4ad20b0252889a15768c9d417e"
@@ -2862,12 +2830,7 @@ ast-types@0.11.7:
   resolved "https://registry.yarnpkg.com/ast-types/-/ast-types-0.11.7.tgz#f318bf44e339db6a320be0009ded64ec1471f46c"
   integrity sha512-2mP3TwtkY/aTv5X3ZsMpNAbOnyoC/aMJwJSoaELPkHId0nSQgFcnU4dRW3isxiz7+zBexk0ym3WNVjMiQBnJSw==
 
-ast-types@0.12.4:
-  version "0.12.4"
-  resolved "https://registry.yarnpkg.com/ast-types/-/ast-types-0.12.4.tgz#71ce6383800f24efc9a1a3308f3a6e420a0974d1"
-  integrity sha512-ky/YVYCbtVAS8TdMIaTiPFHwEpRB5z1hctepJplTr3UW5q8TDrpIMCILyk8pmLxGtn2KCtC/lSn7zOsaI7nzDw==
-
-ast-types@^0.12.4:
+"ast-types@0.12.4", "ast-types@^0.12.4":
   version "0.12.4"
   resolved "https://registry.yarnpkg.com/ast-types/-/ast-types-0.12.4.tgz#71ce6383800f24efc9a1a3308f3a6e420a0974d1"
   integrity sha512-ky/YVYCbtVAS8TdMIaTiPFHwEpRB5z1hctepJplTr3UW5q8TDrpIMCILyk8pmLxGtn2KCtC/lSn7zOsaI7nzDw==
@@ -11776,9 +11739,9 @@ recast@^0.16.1:
     source-map "~0.6.1"
 
 recast@^0.17.0:
-  version "0.17.4"
-  resolved "https://registry.yarnpkg.com/recast/-/recast-0.17.4.tgz#b67f8abbfd4a1d8841485f03f41f2ccf2e051d88"
-  integrity sha512-94mbtFr2e4XoleJVCQQ138gK7xT2IScq25+thwEzNWd/hjOXQd6ejFiztgZZGVSByoV7/k3pLBXO3RK1BvJsIw==
+  version "0.17.6"
+  resolved "https://registry.yarnpkg.com/recast/-/recast-0.17.6.tgz#64ae98d0d2dfb10ff92ff5fb9ffb7371823b69fa"
+  integrity sha512-yoQRMRrK1lszNtbkGyM4kN45AwylV5hMiuEveUBlxytUViWevjvX6w+tzJt1LH4cfUhWt4NZvy3ThIhu6+m5wQ==
   dependencies:
     ast-types "0.12.4"
     esprima "~4.0.0"