diff --git a/yarn.lock b/yarn.lock
index 30efd98..2daadd6 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 "10.1.3"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-10.1.3.tgz#5c16980936c4e3c83ce64e8ed71fb37bd7aea135"
+  version "10.3.0"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-10.3.0.tgz#078516315a84d56216b5d4fed8f75d59d3b16cac"
 
 "@types/node@8.10.18":
   version "8.10.18"
@@ -477,8 +477,8 @@ bser@^2.0.0:
     node-int64 "^0.4.0"
 
 buffer-from@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.0.0.tgz#4cb8832d23612589b0406e9e2956c17f06fdf531"
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.1.0.tgz#87fcaa3a298358e0ade6e442cfce840740d1ad04"
 
 builtin-modules@^1.0.0, builtin-modules@^1.1.1:
   version "1.1.1"
@@ -1654,8 +1654,8 @@ istanbul-lib-source-maps@^1.1.0:
     source-map "^0.5.3"
 
 istanbul-lib-source-maps@^1.2.4:
-  version "1.2.4"
-  resolved "https://registry.yarnpkg.com/istanbul-lib-source-maps/-/istanbul-lib-source-maps-1.2.4.tgz#cc7ccad61629f4efff8e2f78adb8c522c9976ec7"
+  version "1.2.5"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-source-maps/-/istanbul-lib-source-maps-1.2.5.tgz#ffe6be4e7ab86d3603e4290d54990b14506fc9b1"
   dependencies:
     debug "^3.1.0"
     istanbul-lib-coverage "^1.2.0"
@@ -1909,8 +1909,8 @@ js-tokens@^3.0.0, js-tokens@^3.0.2:
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.2.tgz#9866df395102130e38f7f996bceb65443209c25b"
 
 js-yaml@^3.7.0:
-  version "3.11.0"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.11.0.tgz#597c1a8bd57152f26d622ce4117851a51f5ebaef"
+  version "3.12.0"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.12.0.tgz#eaed656ec8344f10f527c6bfa1b6e2244de167d1"
   dependencies:
     argparse "^1.0.7"
     esprima "^4.0.0"
@@ -2312,8 +2312,8 @@ needle@^2.2.0:
     sax "^1.2.4"
 
 nock@^9.0.13:
-  version "9.2.6"
-  resolved "https://registry.yarnpkg.com/nock/-/nock-9.2.6.tgz#496ddb2c32e6d0848cda1b3ea51fbe054d4454d3"
+  version "9.3.0"
+  resolved "https://registry.yarnpkg.com/nock/-/nock-9.3.0.tgz#4dcfdd37bd249836754d05bbac5a1f05e12e0f16"
   dependencies:
     chai "^4.1.2"
     debug "^3.1.0"
@@ -3254,8 +3254,8 @@ tsconfig@^7.0.0:
     strip-json-comments "^2.0.0"
 
 tslib@^1.0.0, tslib@^1.7.1, tslib@^1.8.0, tslib@^1.8.1:
-  version "1.9.1"
-  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.1.tgz#a5d1f0532a49221c87755cfcc89ca37197242ba7"
+  version "1.9.2"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.2.tgz#8be0cc9a1f6dc7727c38deb16c2ebd1a2892988e"
 
 tslint-config-ikatyang@2.5.1:
   version "2.5.1"