diff --git a/yarn.lock b/yarn.lock
index edfb696..f897f10 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 "10.12.15"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-10.12.15.tgz#20e85651b62fd86656e57c9c9bc771ab1570bc59"
+  version "10.12.18"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-10.12.18.tgz#1d3ca764718915584fcd9f6344621b7672665c67"
 
 "@types/node@8.10.39":
   version "8.10.39"
@@ -666,8 +666,8 @@ copy-descriptor@^0.1.0:
   resolved "https://registry.yarnpkg.com/copy-descriptor/-/copy-descriptor-0.1.1.tgz#676f6eb3c39997c2ee1ac3a924fd6124748f578d"
 
 core-js@^2.4.0, core-js@^2.5.0:
-  version "2.6.0"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.0.tgz#1e30793e9ee5782b307e37ffa22da0eacddd84d4"
+  version "2.6.1"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.1.tgz#87416ae817de957a3f249b3b5ca475d4aaed6042"
 
 core-util-is@1.0.2, core-util-is@~1.0.0:
   version "1.0.2"
@@ -2228,8 +2228,8 @@ ms@^2.1.1:
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.1.tgz#30a5864eb3ebb0a66f2ebe6d727af06a09d86e0a"
 
 nan@^2.9.2:
-  version "2.12.0"
-  resolved "https://registry.yarnpkg.com/nan/-/nan-2.12.0.tgz#9d443fdb5e13a20770cc5e602eee59760a685885"
+  version "2.12.1"
+  resolved "https://registry.yarnpkg.com/nan/-/nan-2.12.1.tgz#7b1aa193e9aa86057e3c7bbd0ac448e770925552"
 
 nanomatch@^1.2.9:
   version "1.2.13"
@@ -2514,7 +2514,7 @@ path-key@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/path-key/-/path-key-2.0.1.tgz#411cadb574c5a140d3a4b1910d40d80cc9f40b40"
 
-path-parse@^1.0.5:
+path-parse@^1.0.5, path-parse@^1.0.6:
   version "1.0.6"
   resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.6.tgz#d62dbb5679405d72c4737ec58600e9ddcf06d24c"
 
@@ -2691,8 +2691,8 @@ readable-stream@^2.0.2, readable-stream@^2.0.6:
     util-deprecate "~1.0.1"
 
 readable-stream@^3.0.6:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-3.1.0.tgz#19c2e9c1ce43507c53f6eefbcf1ee3d4aaa786f5"
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-3.1.1.tgz#ed6bbc6c5ba58b090039ff18ce670515795aeb06"
   dependencies:
     inherits "^2.0.3"
     string_decoder "^1.1.1"
@@ -2783,10 +2783,10 @@ resolve@1.1.7:
   resolved "http://registry.npmjs.org/resolve/-/resolve-1.1.7.tgz#203114d82ad2c5ed9e8e0411b3932875e889e97b"
 
 resolve@^1.1.7, resolve@^1.3.2:
-  version "1.8.1"
-  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.8.1.tgz#82f1ec19a423ac1fbd080b0bab06ba36e84a7a26"
+  version "1.9.0"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.9.0.tgz#a14c6fdfa8f92a7df1d996cb7105fa744658ea06"
   dependencies:
-    path-parse "^1.0.5"
+    path-parse "^1.0.6"
 
 ret@~0.1.10:
   version "0.1.15"
@@ -2977,8 +2977,8 @@ spdx-expression-parse@^3.0.0:
     spdx-license-ids "^3.0.0"
 
 spdx-license-ids@^3.0.0:
-  version "3.0.2"
-  resolved "https://registry.yarnpkg.com/spdx-license-ids/-/spdx-license-ids-3.0.2.tgz#a59efc09784c2a5bada13cfeaf5c75dd214044d2"
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/spdx-license-ids/-/spdx-license-ids-3.0.3.tgz#81c0ce8f21474756148bbb5f3bfc0f36bf15d76e"
 
 split-string@^3.0.1, split-string@^3.0.2:
   version "3.1.0"
@@ -2991,8 +2991,8 @@ sprintf-js@~1.0.2:
   resolved "http://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
 
 sshpk@^1.7.0:
-  version "1.15.2"
-  resolved "https://registry.yarnpkg.com/sshpk/-/sshpk-1.15.2.tgz#c946d6bd9b1a39d0e8635763f5242d6ed6dcb629"
+  version "1.16.0"
+  resolved "https://registry.yarnpkg.com/sshpk/-/sshpk-1.16.0.tgz#1d4963a2fbffe58050aa9084ca20be81741c07de"
   dependencies:
     asn1 "~0.2.3"
     assert-plus "^1.0.0"
@@ -3083,7 +3083,7 @@ subarg@^1.0.0:
 
 supports-color@^2.0.0:
   version "2.0.0"
-  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-2.0.0.tgz#535d045ce6b6363fa40117084629995e9df324c7"
+  resolved "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz#535d045ce6b6363fa40117084629995e9df324c7"
 
 supports-color@^3.1.2:
   version "3.2.3"
@@ -3369,8 +3369,8 @@ uuid@^3.3.2:
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.3.2.tgz#1b4af4955eb3077c501c23872fc6513811587131"
 
 v8flags@^3.0.0:
-  version "3.1.1"
-  resolved "https://registry.yarnpkg.com/v8flags/-/v8flags-3.1.1.tgz#42259a1461c08397e37fe1d4f1cfb59cad85a053"
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/v8flags/-/v8flags-3.1.2.tgz#fc5cd0c227428181e6c29b2992e4f8f1da5e0c9f"
   dependencies:
     homedir-polyfill "^1.0.1"