diff --git a/yarn.lock b/yarn.lock
index af77591..b4da3fd 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -21,8 +21,8 @@
   resolved "https://registry.yarnpkg.com/@types/jest/-/jest-21.1.10.tgz#dcacb5217ddf997a090cc822bba219b4b2fd7984"
 
 "@types/node@*":
-  version "10.0.0"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-10.0.0.tgz#c40f8e07dce607d3ef25a626b93a6a7cdcf97881"
+  version "10.0.4"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-10.0.4.tgz#130598ee56e9a1210a53f557d64935571f05390d"
 
 "@types/node@8.10.12":
   version "8.10.12"
@@ -1180,7 +1180,7 @@ fs.realpath@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
 
-fsevents@^1.0.0, fsevents@^1.1.1:
+fsevents@^1.0.0, fsevents@^1.2.3:
   version "1.2.3"
   resolved "https://registry.yarnpkg.com/fsevents/-/fsevents-1.2.3.tgz#08292982e7059f6674c93d8b829c1e8604979ac0"
   dependencies:
@@ -1390,10 +1390,10 @@ iconv-lite@0.4.19:
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.19.tgz#f7468f60135f5e5dad3399c0a81be9a1603a082b"
 
 iconv-lite@^0.4.4:
-  version "0.4.21"
-  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.21.tgz#c47f8733d02171189ebc4a400f3218d348094798"
+  version "0.4.22"
+  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.22.tgz#c6b16b9d05bc6c307dc9303a820412995d2eea95"
   dependencies:
-    safer-buffer "^2.1.0"
+    safer-buffer ">= 2.1.2 < 3"
 
 ignore-walk@^3.0.1:
   version "3.0.1"
@@ -2689,8 +2689,8 @@ punycode@^1.4.1:
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.4.1.tgz#c0d5a63b2718800ad8e1eb0fa5269c84dd41845e"
 
 qs@^6.5.1, qs@~6.5.1:
-  version "6.5.1"
-  resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.1.tgz#349cdf6eef89ec45c12d7d5eb3fc0c870343a6d8"
+  version "6.5.2"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.2.tgz#cb3ae806e8740444584ef154ce8ee98d403f3e36"
 
 randomatic@^1.1.3:
   version "1.1.7"
@@ -2863,7 +2863,7 @@ rimraf@^2.6.1:
   dependencies:
     glob "^7.0.5"
 
-safe-buffer@^5.0.1, safe-buffer@^5.1.1, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
+safe-buffer@^5.0.1, safe-buffer@^5.1.1, safe-buffer@^5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   version "5.1.2"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
 
@@ -2873,13 +2873,13 @@ safe-regex@^1.1.0:
   dependencies:
     ret "~0.1.10"
 
-safer-buffer@^2.1.0:
+"safer-buffer@>= 2.1.2 < 3":
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
 
 sane@^2.0.0:
-  version "2.5.0"
-  resolved "https://registry.yarnpkg.com/sane/-/sane-2.5.0.tgz#6359cd676f5efd9988b264d8ce3b827dd6b27bec"
+  version "2.5.1"
+  resolved "https://registry.yarnpkg.com/sane/-/sane-2.5.1.tgz#a55cee7074bed3213b54b40889ee791fa2f50176"
   dependencies:
     anymatch "^2.0.0"
     exec-sh "^0.2.0"
@@ -2889,7 +2889,7 @@ sane@^2.0.0:
     walker "~1.0.5"
     watch "~0.18.0"
   optionalDependencies:
-    fsevents "^1.1.1"
+    fsevents "^1.2.3"
 
 sax@^1.2.1, sax@^1.2.4:
   version "1.2.4"
@@ -3172,15 +3172,15 @@ symbol-tree@^3.2.1:
   resolved "https://registry.yarnpkg.com/symbol-tree/-/symbol-tree-3.2.2.tgz#ae27db38f660a7ae2e1c3b7d1bc290819b8519e6"
 
 tar@^4:
-  version "4.4.1"
-  resolved "https://registry.yarnpkg.com/tar/-/tar-4.4.1.tgz#b25d5a8470c976fd7a9a8a350f42c59e9fa81749"
+  version "4.4.2"
+  resolved "https://registry.yarnpkg.com/tar/-/tar-4.4.2.tgz#60685211ba46b38847b1ae7ee1a24d744a2cd462"
   dependencies:
     chownr "^1.0.1"
     fs-minipass "^1.2.5"
     minipass "^2.2.4"
     minizlib "^1.1.0"
     mkdirp "^0.5.0"
-    safe-buffer "^5.1.1"
+    safe-buffer "^5.1.2"
     yallist "^3.0.2"
 
 test-exclude@^4.2.1: