diff --git a/yarn.lock b/yarn.lock
index bb6159c..466cf2d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1969,7 +1969,7 @@ jest-worker@^24.6.0, jest-worker@^24.9.0:
     merge-stream "^2.0.0"
     supports-color "^6.1.0"
 
-jest@^24.9.0:
+jest@24.9.0:
   version "24.9.0"
   resolved "https://registry.yarnpkg.com/jest/-/jest-24.9.0.tgz#987d290c05a08b52c56188c1002e368edb007171"
   integrity sha512-YvkBL1Zm7d2B1+h5fHEOdyjCG+sGMz4f8D86/0HiqJ6MB4MnDc8FgP5vdWsGnemOQro7lnYo8UakZ3+5A0jxGw==
@@ -3499,9 +3499,9 @@ xml-name-validator@^3.0.0:
   integrity sha512-A5CUptxDsvxKJEU3yO6DuWBSJz/qizqzJKOMIfUJHETbBw/sFaDxgd6fxm1ewUaM0jZ444Fc5vC5ROYurg/4Pw==
 
 y18n@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/y18n/-/y18n-4.0.0.tgz#95ef94f85ecc81d007c264e190a120f0a3c8566b"
-  integrity sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/y18n/-/y18n-4.0.1.tgz#8db2b83c31c5d75099bb890b23f3094891e247d4"
+  integrity sha512-wNcy4NvjMYL8gogWWYAO7ZFWFfHcbdbE57tZO8e4cbpj8tfUcwrwqSl3ad8HxpYWCdXcJUCeKKZS62Av1affwQ==
 
 yallist@^3.0.0, yallist@^3.0.3:
   version "3.1.1"