diff --git a/yarn.lock b/yarn.lock
index ead2630..3589009 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -783,9 +783,9 @@ chalk@^2.0.0, chalk@^2.0.1, chalk@^2.4.0:
     supports-color "^5.3.0"
 
 chownr@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.0.1.tgz#e2a75042a9551908bebd25b8523d5f9769d79181"
-  integrity sha1-4qdQQqlVGQi+vSW4Uj1fl2nXkYE=
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.4.tgz#6fc9d7b42d32a583596337666e7d08084da2cc6b"
+  integrity sha512-jJ0bqzaylmJtVnNgzTeSOs8DPavpbYgEr/b0YL8/2GO3xJEhInFmhKMUnEJQjZumK7KXGFhUy89PrsJWlakBVg==
 
 ci-info@^1.0.0:
   version "1.1.3"
@@ -1363,7 +1363,7 @@ esutils@^2.0.2:
 
 event-stream@~3.3.0:
   version "3.3.4"
-  resolved "http://registry.npmjs.org/event-stream/-/event-stream-3.3.4.tgz#4ab4c9a0f5a54db9338b4c34d86bfce8f4b35571"
+  resolved "https://registry.npmjs.org/event-stream/-/event-stream-3.3.4.tgz#4ab4c9a0f5a54db9338b4c34d86bfce8f4b35571"
   integrity sha1-SrTJoPWlTbkzi0w02Gv86PSzVXE=
   dependencies:
     duplexer "~0.1.1"