diff --git a/yarn.lock b/yarn.lock
index d1e94c3..adc89d7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -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"
 
@@ -5092,8 +5092,8 @@ xtend@^4.0.0, xtend@^4.0.1:
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"
 
 y18n@^3.2.0, y18n@^3.2.1:
-  version "3.2.1"
-  resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.1.tgz#6d15fba884c08679c0d77e88e7759e811e07fa41"
+  version "3.2.2"
+  resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.2.tgz#85c901bd6470ce71fc4bb723ad209b70f7f28696"
 
 yargs-parser@^4.2.0:
   version "4.2.1"