diff --git a/yarn.lock b/yarn.lock
index abdaffd..ef662dd 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 "10.5.8"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-10.5.8.tgz#6f14ccecad1d19332f063a6a764f8907801fece0"
+  version "10.7.1"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-10.7.1.tgz#b704d7c259aa40ee052eec678758a68d07132a2e"
 
 "@types/node@8.10.26":
   version "8.10.26"
@@ -234,8 +234,8 @@ asynckit@^0.4.0:
   resolved "https://registry.yarnpkg.com/asynckit/-/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
 
 atob@^2.1.1:
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/atob/-/atob-2.1.1.tgz#ae2d5a729477f289d60dd7f96a6314a22dd6c22a"
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/atob/-/atob-2.1.2.tgz#6d9517eb9e030d2436666651e86bd9f6f13533c9"
 
 aws-sign2@~0.7.0:
   version "0.7.0"
@@ -602,9 +602,9 @@ chownr@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.0.1.tgz#e2a75042a9551908bebd25b8523d5f9769d79181"
 
-ci-info@^1.0.0:
-  version "1.1.3"
-  resolved "https://registry.yarnpkg.com/ci-info/-/ci-info-1.1.3.tgz#710193264bb05c77b8c90d02f5aaf22216a667b2"
+ci-info@^1.3.0:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/ci-info/-/ci-info-1.3.1.tgz#da21bc65a5f0d0d250c19a169065532b42fa048c"
 
 class-utils@^0.3.5:
   version "0.3.6"
@@ -675,8 +675,8 @@ commander@^2.12.1:
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.17.1.tgz#bd77ab7de6de94205ceacc72f1716d29f20a77bf"
 
 compare-versions@^3.1.0:
-  version "3.3.0"
-  resolved "https://registry.yarnpkg.com/compare-versions/-/compare-versions-3.3.0.tgz#af93ea705a96943f622ab309578b9b90586f39c3"
+  version "3.3.1"
+  resolved "https://registry.yarnpkg.com/compare-versions/-/compare-versions-3.3.1.tgz#1ede3172b713c15f7c7beb98cb74d2d82576dad3"
 
 component-emitter@^1.2.1:
   version "1.2.1"
@@ -1363,11 +1363,7 @@ http-signature@~1.2.0:
     jsprim "^1.2.2"
     sshpk "^1.7.0"
 
-iconv-lite@0.4.19:
-  version "0.4.19"
-  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.19.tgz#f7468f60135f5e5dad3399c0a81be9a1603a082b"
-
-iconv-lite@^0.4.4:
+iconv-lite@0.4.23, iconv-lite@^0.4.4:
   version "0.4.23"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.23.tgz#297871f63be507adcfbfca715d0cd0eed84e9a63"
   dependencies:
@@ -1441,10 +1437,10 @@ is-builtin-module@^1.0.0:
     builtin-modules "^1.0.0"
 
 is-ci@^1.0.10:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/is-ci/-/is-ci-1.1.0.tgz#247e4162e7860cebbdaf30b774d6b0ac7dcfe7a5"
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/is-ci/-/is-ci-1.2.0.tgz#3f4a08d6303a09882cef3f0fb97439c5f5ce2d53"
   dependencies:
-    ci-info "^1.0.0"
+    ci-info "^1.3.0"
 
 is-data-descriptor@^0.1.4:
   version "0.1.4"
@@ -2312,8 +2308,8 @@ needle@^2.2.1:
     sax "^1.2.4"
 
 nock@^9.0.13:
-  version "9.6.0"
-  resolved "https://registry.yarnpkg.com/nock/-/nock-9.6.0.tgz#df273defe35fd31c3ec9039c570e64339d31d68b"
+  version "9.6.1"
+  resolved "https://registry.yarnpkg.com/nock/-/nock-9.6.1.tgz#d96e099be9bc1d0189a77f4490bbbb265c381b49"
   dependencies:
     chai "^4.1.2"
     debug "^3.1.0"
@@ -2765,8 +2761,8 @@ remove-trailing-separator@^1.0.1:
   resolved "https://registry.yarnpkg.com/remove-trailing-separator/-/remove-trailing-separator-1.1.0.tgz#c24bce2a283adad5bc3f58e0d48249b92379d8ef"
 
 repeat-element@^1.1.2:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/repeat-element/-/repeat-element-1.1.2.tgz#ef089a178d1483baae4d93eb98b4f9e4e11d990a"
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/repeat-element/-/repeat-element-1.1.3.tgz#782e0d825c0c5a3bb39731f84efee6b742e6b1ce"
 
 repeat-string@^1.5.2, repeat-string@^1.6.1:
   version "1.6.1"
@@ -2883,8 +2879,8 @@ sax@^1.2.1, sax@^1.2.4:
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
 
 "semver@2 || 3 || 4 || 5", semver@^5.3.0, semver@^5.4.1, semver@^5.5.0:
-  version "5.5.0"
-  resolved "https://registry.yarnpkg.com/semver/-/semver-5.5.0.tgz#dc4bbc7a6ca9d916dee5d43516f0092b58f7b8ab"
+  version "5.5.1"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-5.5.1.tgz#7dfdd8814bdb7cabc7be0fb1d734cfb66c940477"
 
 set-blocking@^2.0.0, set-blocking@~2.0.0:
   version "2.0.0"
@@ -3451,10 +3447,10 @@ webidl-conversions@^4.0.0:
   resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-4.0.2.tgz#a855980b1f0b6b359ba1d5d9fb39ae941faa63ad"
 
 whatwg-encoding@^1.0.1:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/whatwg-encoding/-/whatwg-encoding-1.0.3.tgz#57c235bc8657e914d24e1a397d3c82daee0a6ba3"
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/whatwg-encoding/-/whatwg-encoding-1.0.4.tgz#63fb016b7435b795d9025632c086a5209dbd2621"
   dependencies:
-    iconv-lite "0.4.19"
+    iconv-lite "0.4.23"
 
 whatwg-url@^4.3.0:
   version "4.8.0"