diff --git a/yarn.lock b/yarn.lock
index 1c85d89..4bdaf57 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3668,11 +3668,11 @@ encodeurl@~1.0.2:
   integrity sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k=
 
 encoding@^0.1.11:
-  version "0.1.12"
-  resolved "https://registry.yarnpkg.com/encoding/-/encoding-0.1.12.tgz#538b66f3ee62cd1ab51ec323829d1f9480c74beb"
-  integrity sha1-U4tm8+5izRq1HsMjgp0flIDHS+s=
+  version "0.1.13"
+  resolved "https://registry.yarnpkg.com/encoding/-/encoding-0.1.13.tgz#56574afdd791f54a8e9b2785c0582a2d26210fa9"
+  integrity sha512-ETBauow1T35Y/WZMkio9jiM0Z5xjHHmJ4XmjZOq1l/dXz3lr2sRn87nJy20RupqSh1F2m3HHPSp8ShIPQJrJ3A==
   dependencies:
-    iconv-lite "~0.4.13"
+    iconv-lite "^0.6.2"
 
 end-of-stream@^1.0.0, end-of-stream@^1.1.0:
   version "1.4.4"
@@ -4814,7 +4814,7 @@ humanize-ms@^1.2.1:
   dependencies:
     ms "^2.0.0"
 
-iconv-lite@0.4.24, iconv-lite@^0.4.24, iconv-lite@~0.4.13:
+iconv-lite@0.4.24, iconv-lite@^0.4.24:
   version "0.4.24"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.24.tgz#2022b4b25fbddc21d2f524974a474aafe733908b"
   integrity sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==
@@ -4828,6 +4828,13 @@ iconv-lite@^0.5.1:
   dependencies:
     safer-buffer ">= 2.1.2 < 3"
 
+iconv-lite@^0.6.2:
+  version "0.6.2"
+  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.6.2.tgz#ce13d1875b0c3a674bd6a04b7f76b01b1b6ded01"
+  integrity sha512-2y91h5OpQlolefMPmUlivelittSWy0rP+oYVpn6A7GwVHNE8AWzoYOBNmlwks3LobaJxgHCYZAnyNo2GgpNRNQ==
+  dependencies:
+    safer-buffer ">= 2.1.2 < 3.0.0"
+
 icss-utils@^4.0.0, icss-utils@^4.1.1:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/icss-utils/-/icss-utils-4.1.1.tgz#21170b53789ee27447c2f47dd683081403f9a467"
@@ -6541,9 +6548,9 @@ npm-pick-manifest@^3.0.0:
     semver "^5.4.1"
 
 npm-registry-fetch@^4.0.0:
-  version "4.0.4"
-  resolved "https://registry.yarnpkg.com/npm-registry-fetch/-/npm-registry-fetch-4.0.4.tgz#2da1ecf3f43d419d96abf313664291a4623d3ea5"
-  integrity sha512-6jb34hX/iYNQebqWUHtU8YF6Cjb1H6ouTFPClYsyiW6lpFkljTpdeftm53rRojtja1rKAvKNIIiTS5Sjpw4wsA==
+  version "4.0.7"
+  resolved "https://registry.yarnpkg.com/npm-registry-fetch/-/npm-registry-fetch-4.0.7.tgz#57951bf6541e0246b34c9f9a38ab73607c9449d7"
+  integrity sha512-cny9v0+Mq6Tjz+e0erFAB+RYJ/AVGzkjnISiobqP8OWj9c9FLoZZu8/SPSKJWE17F1tk4018wfjV+ZbIbqC7fQ==
   dependencies:
     JSONStream "^1.3.4"
     bluebird "^3.5.1"
@@ -8303,7 +8310,7 @@ safe-regex@^1.1.0:
   dependencies:
     ret "~0.1.10"
 
-"safer-buffer@>= 2.1.2 < 3", safer-buffer@^2.0.2, safer-buffer@^2.1.0, safer-buffer@^2.1.2, safer-buffer@~2.1.0:
+"safer-buffer@>= 2.1.2 < 3", "safer-buffer@>= 2.1.2 < 3.0.0", safer-buffer@^2.0.2, safer-buffer@^2.1.0, safer-buffer@^2.1.2, safer-buffer@~2.1.0:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
   integrity sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==