diff --git a/yarn.lock b/yarn.lock
index d1e94c3..1ab4b68 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1377,8 +1377,8 @@ convert-source-map@^1.1.0:
   resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.4.0.tgz#e3dad195bf61bfe13a7a3c73e9876ec14a0268f3"
 
 cookiejar@^2.0.6:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/cookiejar/-/cookiejar-2.1.0.tgz#86549689539b6d0e269b6637a304be508194d898"
+  version "2.1.4"
+  resolved "https://registry.yarnpkg.com/cookiejar/-/cookiejar-2.1.4.tgz#ee669c1fea2cf42dc31585469d193fef0d65771b"
 
 copy-webpack-plugin@^4.0.1:
   version "4.0.1"
@@ -2727,7 +2727,7 @@ is-plain-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"
 
 is-primitive@^2.0.0:
   version "2.0.0"
@@ -3700,7 +3700,7 @@ postcss-loader@^1.2.1:
 
 postcss-media-minmax@^2.1.0:
   version "2.1.2"
-  resolved "http://registry.npmjs.org/postcss-media-minmax/-/postcss-media-minmax-2.1.2.tgz#444c5cf8926ab5e4fd8a2509e9297e751649cdf8"
+  resolved "https://registry.npmjs.org/postcss-media-minmax/-/postcss-media-minmax-2.1.2.tgz#444c5cf8926ab5e4fd8a2509e9297e751649cdf8"
   dependencies:
     postcss "^5.0.4"