diff --git a/yarn.lock b/yarn.lock
index 36bd99e..06c4da2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6,10 +6,6 @@
   version "0.22.6"
   resolved "https://registry.yarnpkg.com/@types/cheerio/-/cheerio-0.22.6.tgz#ad8c630a942efe3fc59165857851b55f95de2d50"
 
-"@types/events@*":
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/@types/events/-/events-1.1.0.tgz#93b1be91f63c184450385272c47b6496fd028e02"
-
 "@types/form-data@*":
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/@types/form-data/-/form-data-2.2.1.tgz#ee2b3b8eaa11c0938289953606b745b738c54b1e"
@@ -20,13 +16,7 @@
   version "21.1.8"
   resolved "https://registry.yarnpkg.com/@types/jest/-/jest-21.1.8.tgz#d497213725684f1e5a37900b17a47c9c018f1a97"
 
-"@types/node@*":
-  version "8.0.54"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-8.0.54.tgz#3fd9357db4af388b79e03845340259440edffde6"
-  dependencies:
-    "@types/events" "*"
-
-"@types/node@8.0.57":
+"@types/node@*", "@types/node@8.0.57":
   version "8.0.57"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-8.0.57.tgz#e5d8b4dc112763e35cfc51988f4f38da3c486d99"
 
@@ -602,8 +592,8 @@ convert-source-map@^1.4.0, convert-source-map@^1.5.0:
   resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.5.1.tgz#b8278097b9bc229365de5c62cf5fcaed8b5599e5"
 
 core-js@^2.4.0, core-js@^2.5.0:
-  version "2.5.1"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.5.1.tgz#ae6874dc66937789b80754ff5428df66819ca50b"
+  version "2.5.2"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.5.2.tgz#bc4648656e7dc9dc80d7d3c7bbc172d96e744e63"
 
 core-util-is@1.0.2, core-util-is@~1.0.0:
   version "1.0.2"
@@ -793,10 +783,10 @@ entities@^1.1.1, entities@~1.1.1:
   resolved "https://registry.yarnpkg.com/entities/-/entities-1.1.1.tgz#6e5c2d0a5621b5dadaecef80b90edfb5cd7772f0"
 
 errno@^0.1.4:
-  version "0.1.4"
-  resolved "https://registry.yarnpkg.com/errno/-/errno-0.1.4.tgz#b896e23a9e5e8ba33871fc996abd3635fc9a1c7d"
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/errno/-/errno-0.1.5.tgz#a563781a6052bc2c9ccd89e8cef0eb9506e0c321"
   dependencies:
-    prr "~0.0.0"
+    prr "~1.0.1"
 
 error-ex@^1.2.0:
   version "1.3.1"
@@ -996,8 +986,8 @@ form-data@~2.3.1:
     mime-types "^2.1.12"
 
 fs-extra@^4.0.2:
-  version "4.0.2"
-  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-4.0.2.tgz#f91704c53d1b461f893452b0c307d9997647ab6b"
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-4.0.3.tgz#0d852122e5bc5beb453fb028e9c0c9bf36340c94"
   dependencies:
     graceful-fs "^4.1.2"
     jsonfile "^4.0.0"
@@ -2299,9 +2289,9 @@ propagate@0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/propagate/-/propagate-0.4.0.tgz#f3fcca0a6fe06736a7ba572966069617c130b481"
 
-prr@~0.0.0:
-  version "0.0.0"
-  resolved "https://registry.yarnpkg.com/prr/-/prr-0.0.0.tgz#1a84b85908325501411853d0081ee3fa86e2926a"
+prr@~1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/prr/-/prr-1.0.1.tgz#d3fc114ba06995a45ec6893f484ceb1d78f5f476"
 
 pseudomap@^1.0.2:
   version "1.0.2"
@@ -2387,8 +2377,8 @@ readdirp@^2.0.0:
     set-immediate-shim "^1.0.1"
 
 regenerator-runtime@^0.11.0:
-  version "0.11.0"
-  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.11.0.tgz#7e54fe5b5ccd5d6624ea6255c3473be090b802e1"
+  version "0.11.1"
+  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz#be05ad7f9bf7d22e056f9726cee5017fbf19e2e9"
 
 regex-cache@^0.4.2:
   version "0.4.4"
@@ -2820,8 +2810,8 @@ tsconfig@^6.0.0:
     strip-json-comments "^2.0.0"
 
 tslib@^1.0.0, tslib@^1.7.1:
-  version "1.8.0"
-  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.8.0.tgz#dc604ebad64bcbf696d613da6c954aa0e7ea1eb6"
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.8.1.tgz#6946af2d1d651a7b1863b531d6e5afa41aa44eac"
 
 tslint-config-ikatyang@2.5.1:
   version "2.5.1"