diff --git a/yarn.lock b/yarn.lock
index 535934a96..10221f4c9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2801,8 +2801,8 @@ home-or-tmp@^2.0.0:
     os-tmpdir "^1.0.1"
 
 hosted-git-info@^2.1.4:
-  version "2.1.5"
-  resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.1.5.tgz#0ba81d90da2e25ab34a332e6ec77936e1598118b"
+  version "2.8.9"
+  resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.8.9.tgz#dffc0bf9a21c02209090f2aa69429e1414daf3f9"
 
 html-comment-regex@^1.1.0:
   version "1.1.1"
@@ -4571,10 +4571,6 @@ postcss@^5.0.10, postcss@^5.0.11, postcss@^5.0.12, postcss@^5.0.13, postcss@^5.0
     source-map "^0.5.6"
     supports-color "^3.1.2"
 
-postinstall-build@^2.0.0:
-  version "2.1.3"
-  resolved "https://registry.yarnpkg.com/postinstall-build/-/postinstall-build-2.1.3.tgz#9d1886ab2949619f4c206afbe1aea95debe45c94"
-
 pre-commit@^1.1.3:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/pre-commit/-/pre-commit-1.1.3.tgz#6d5ed90740472072958c711a15f676aa2c231377"