diff --git a/yarn.lock b/yarn.lock
index ab0b848fc..3bdcdf68b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1762,8 +1762,8 @@ chokidar@^2.0.3:
     fsevents "^1.2.2"
 
 chownr@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.0.1.tgz#e2a75042a9551908bebd25b8523d5f9769d79181"
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.4.tgz#6fc9d7b42d32a583596337666e7d08084da2cc6b"
 
 ci-info@^1.0.0:
   version "1.1.3"
@@ -3083,7 +3083,7 @@ eslint@^2.9.0:
 
 eslint@^4.0.0, eslint@^4.5.0:
   version "4.19.1"
-  resolved "http://registry.npmjs.org/eslint/-/eslint-4.19.1.tgz#32d1d653e1d90408854bfb296f076ec7e186a300"
+  resolved "https://registry.npmjs.org/eslint/-/eslint-4.19.1.tgz#32d1d653e1d90408854bfb296f076ec7e186a300"
   dependencies:
     ajv "^5.3.0"
     babel-code-frame "^6.22.0"
@@ -3647,7 +3647,7 @@ foreach@^2.0.5:
 
 foreground-child@^1.5.6:
   version "1.5.6"
-  resolved "http://registry.npmjs.org/foreground-child/-/foreground-child-1.5.6.tgz#4fd71ad2dfde96789b980a5c0a295937cb2f5ce9"
+  resolved "https://registry.npmjs.org/foreground-child/-/foreground-child-1.5.6.tgz#4fd71ad2dfde96789b980a5c0a295937cb2f5ce9"
   dependencies:
     cross-spawn "^4"
     signal-exit "^3.0.0"
@@ -6220,7 +6220,7 @@ one-time@0.0.4:
 
 onetime@^1.0.0:
   version "1.1.0"
-  resolved "http://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz#a1f7838f8314c516f05ecefcbc4ccfe04b4ed789"
+  resolved "https://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz#a1f7838f8314c516f05ecefcbc4ccfe04b4ed789"
 
 onetime@^2.0.0:
   version "2.0.1"
@@ -7997,7 +7997,7 @@ table@^3.7.8:
 
 table@^4.0.3:
   version "4.0.3"
-  resolved "http://registry.npmjs.org/table/-/table-4.0.3.tgz#00b5e2b602f1794b9acaf9ca908a76386a7813bc"
+  resolved "https://registry.npmjs.org/table/-/table-4.0.3.tgz#00b5e2b602f1794b9acaf9ca908a76386a7813bc"
   dependencies:
     ajv "^6.0.1"
     ajv-keywords "^3.0.0"
@@ -8273,7 +8273,7 @@ typescript@^2.5.1:
 
 uglify-js@1.x:
   version "1.3.5"
-  resolved "http://registry.npmjs.org/uglify-js/-/uglify-js-1.3.5.tgz#4b5bfff9186effbaa888e4c9e94bd9fc4c94929d"
+  resolved "https://registry.npmjs.org/uglify-js/-/uglify-js-1.3.5.tgz#4b5bfff9186effbaa888e4c9e94bd9fc4c94929d"
 
 uglify-js@^2.6:
   version "2.8.29"
@@ -8747,7 +8747,7 @@ yargs@10.0.3:
 
 yargs@11.1.0:
   version "11.1.0"
-  resolved "http://registry.npmjs.org/yargs/-/yargs-11.1.0.tgz#90b869934ed6e871115ea2ff58b03f4724ed2d77"
+  resolved "https://registry.npmjs.org/yargs/-/yargs-11.1.0.tgz#90b869934ed6e871115ea2ff58b03f4724ed2d77"
   dependencies:
     cliui "^4.0.0"
     decamelize "^1.1.1"