diff --git a/yarn.lock b/yarn.lock
index c03a256..5e8af21 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1368,7 +1368,7 @@ has-color@^0.1.7:
 
 has-flag@^1.0.0:
   version "1.0.0"
-  resolved "http://registry.npmjs.org/has-flag/-/has-flag-1.0.0.tgz#9d9e793165ce017a00f00418c43f942a7b1d11fa"
+  resolved "https://registry.npmjs.org/has-flag/-/has-flag-1.0.0.tgz#9d9e793165ce017a00f00418c43f942a7b1d11fa"
   integrity sha1-nZ55MWXOAXoA8AQYxD+UKnsdEfo=
 
 has-unicode@^2.0.0:
@@ -1587,7 +1587,7 @@ is-obj@^1.0.0:
 
 is-posix-bracket@^0.1.0:
   version "0.1.1"
-  resolved "http://registry.npmjs.org/is-posix-bracket/-/is-posix-bracket-0.1.1.tgz#3334dc79774368e92f016e6fbc0a88f5cd6e6bc4"
+  resolved "https://registry.npmjs.org/is-posix-bracket/-/is-posix-bracket-0.1.1.tgz#3334dc79774368e92f016e6fbc0a88f5cd6e6bc4"
   integrity sha1-MzTceXdDaOkvAW5vvAqI9c1ua8Q=
 
 is-primitive@^2.0.0:
@@ -1873,9 +1873,9 @@ lodash.keys@^3.0.0:
     lodash.isarray "^3.0.0"
 
 lodash@^4.2.0:
-  version "4.17.2"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.2.tgz#34a3055babe04ce42467b607d700072c7ff6bf42"
-  integrity sha1-NKMFW6vgTOQkZ7YH1wAHLH/2v0I=
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 lolex@^1.4.0:
   version "1.5.2"