diff --git a/yarn.lock b/yarn.lock
index 78c7511..f90c529 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -384,7 +384,7 @@ chai@^4.1.2:
 
 chalk@^1.1.3:
   version "1.1.3"
-  resolved "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
+  resolved "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
   dependencies:
     ansi-styles "^2.2.1"
     escape-string-regexp "^1.0.2"
@@ -441,7 +441,7 @@ collection-visit@^1.0.0:
 
 combined-stream@1.0.6:
   version "1.0.6"
-  resolved "http://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz#723e7df6e801ac5613113a7e445a9b69cb632818"
+  resolved "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz#723e7df6e801ac5613113a7e445a9b69cb632818"
   dependencies:
     delayed-stream "~1.0.0"
 
@@ -457,7 +457,7 @@ commander@*, commander@^2.9.0:
 
 commander@2.15.1:
   version "2.15.1"
-  resolved "http://registry.npmjs.org/commander/-/commander-2.15.1.tgz#df46e867d0fc2aec66a34662b406a9ccafff5b0f"
+  resolved "https://registry.npmjs.org/commander/-/commander-2.15.1.tgz#df46e867d0fc2aec66a34662b406a9ccafff5b0f"
 
 component-emitter@^1.2.0, component-emitter@^1.2.1:
   version "1.2.1"
@@ -687,7 +687,7 @@ expand-range@^1.8.1:
 
 express@^4.16.3:
   version "4.16.3"
-  resolved "http://registry.npmjs.org/express/-/express-4.16.3.tgz#6af8a502350db3246ecc4becf6b5a34d22f7ed53"
+  resolved "https://registry.npmjs.org/express/-/express-4.16.3.tgz#6af8a502350db3246ecc4becf6b5a34d22f7ed53"
   dependencies:
     accepts "~1.3.5"
     array-flatten "1.1.1"
@@ -1020,7 +1020,7 @@ http-errors@1.6.2:
 
 http-errors@1.6.3, http-errors@~1.6.2, http-errors@~1.6.3:
   version "1.6.3"
-  resolved "http://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz#8b55680bb4be283a0b5bf4ea2e38580be1d9320d"
+  resolved "https://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz#8b55680bb4be283a0b5bf4ea2e38580be1d9320d"
   dependencies:
     depd "~1.1.2"
     inherits "2.0.3"
@@ -1300,8 +1300,8 @@ kind-of@^6.0.0, kind-of@^6.0.2:
   resolved "https://registry.npmjs.org/kind-of/-/kind-of-6.0.2.tgz#01146b36a6218e64e58f3a8d66de5d7fc6f6d051"
 
 lodash@^4.17.4:
-  version "4.17.11"
-  resolved "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
 
 loose-envify@^1.0.0:
   version "1.4.0"
@@ -1407,11 +1407,11 @@ minimatch@3.0.4, minimatch@^3.0.4:
 
 minimist@0.0.8:
   version "0.0.8"
-  resolved "http://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
+  resolved "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
 
 minimist@^1.2.0:
   version "1.2.0"
-  resolved "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
+  resolved "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
 
 minipass@^2.2.1, minipass@^2.3.3:
   version "2.3.4"
@@ -1435,7 +1435,7 @@ mixin-deep@^1.2.0:
 
 mkdirp@0.5.1, mkdirp@^0.5.0, mkdirp@^0.5.1:
   version "0.5.1"
-  resolved "http://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
+  resolved "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
   dependencies:
     minimist "0.0.8"
 
@@ -1457,7 +1457,7 @@ mocha@^5.2.0:
 
 mockjs@^1.0.1-beta3:
   version "1.0.1-beta3"
-  resolved "http://registry.npmjs.org/mockjs/-/mockjs-1.0.1-beta3.tgz#d234f3c27256397564f2c955142e891909537209"
+  resolved "https://registry.npmjs.org/mockjs/-/mockjs-1.0.1-beta3.tgz#d234f3c27256397564f2c955142e891909537209"
   dependencies:
     commander "*"
 
@@ -1693,7 +1693,7 @@ qs@6.5.2, qs@^6.5.1, qs@~6.5.2:
 
 query-string@5:
   version "5.1.1"
-  resolved "http://registry.npmjs.org/query-string/-/query-string-5.1.1.tgz#a78c012b71c17e05f2e3fa2319dd330682efb3cb"
+  resolved "https://registry.npmjs.org/query-string/-/query-string-5.1.1.tgz#a78c012b71c17e05f2e3fa2319dd330682efb3cb"
   dependencies:
     decode-uri-component "^0.2.0"
     object-assign "^4.1.0"
@@ -1740,7 +1740,7 @@ rc@^1.2.7:
 
 readable-stream@^2.0.2, readable-stream@^2.0.6, readable-stream@^2.3.5:
   version "2.3.6"
-  resolved "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
+  resolved "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
   dependencies:
     core-util-is "~1.0.0"
     inherits "~2.0.3"