diff --git a/yarn.lock b/yarn.lock
index 8b3029c..8437c28 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3232,7 +3232,7 @@ compressible@~2.0.16:
 
 compression@^1.6.2:
   version "1.7.2"
-  resolved "http://registry.npmjs.org/compression/-/compression-1.7.2.tgz#aaffbcd6aaf854b44ebb280353d5ad1651f59a69"
+  resolved "https://registry.npmjs.org/compression/-/compression-1.7.2.tgz#aaffbcd6aaf854b44ebb280353d5ad1651f59a69"
   dependencies:
     accepts "~1.3.4"
     bytes "3.0.0"
@@ -8326,7 +8326,7 @@ npm-user-validate@~0.1.2:
 
 npm@~3.5.2:
   version "3.5.4"
-  resolved "http://registry.npmjs.org/npm/-/npm-3.5.4.tgz#db2f71d3daa0e7a99077edd4c213919834e95eb2"
+  resolved "https://registry.npmjs.org/npm/-/npm-3.5.4.tgz#db2f71d3daa0e7a99077edd4c213919834e95eb2"
   dependencies:
     abbrev "~1.0.7"
     ansicolors "~0.3.2"
@@ -8767,7 +8767,7 @@ pify@^4.0.1:
 
 pinkie-promise@^2.0.0:
   version "2.0.1"
-  resolved "http://registry.npmjs.org/pinkie-promise/-/pinkie-promise-2.0.1.tgz#2135d6dfa7a358c069ac9b178776288228450ffa"
+  resolved "https://registry.npmjs.org/pinkie-promise/-/pinkie-promise-2.0.1.tgz#2135d6dfa7a358c069ac9b178776288228450ffa"
   dependencies:
     pinkie "^2.0.0"
 
@@ -10648,8 +10648,8 @@ underscore.string@~3.3.4:
     util-deprecate "^1.0.2"
 
 underscore@>=1.8.3:
-  version "1.8.3"
-  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.8.3.tgz#4f3fb53b106e6097fcf9cb4109f2a5e9bdfa5022"
+  version "1.13.1"
+  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.13.1.tgz#0c1c6bd2df54b6b69f2314066d65b6cde6fcf9d1"
 
 unicode-canonical-property-names-ecmascript@^1.0.4:
   version "1.0.4"