diff --git a/yarn.lock b/yarn.lock
index 46ffd09..a00786e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3,8 +3,8 @@
 
 
 "@types/chai@^4.0.1":
-  version "4.0.2"
-  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.0.2.tgz#cce9666f5ee2fa27ffd505d2dfaf53bb02ed2584"
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.0.3.tgz#6c2264b195cd2bb4c95c108487e13df0c8567c3e"
 
 "@types/cucumber@^2.0.1":
   version "2.0.3"
@@ -361,8 +361,8 @@ error-stack-parser@^2.0.1:
     stackframe "^1.0.3"
 
 es5-ext@^0.10.14, es5-ext@^0.10.9, es5-ext@~0.10.14, es5-ext@~0.10.2:
-  version "0.10.26"
-  resolved "https://registry.yarnpkg.com/es5-ext/-/es5-ext-0.10.26.tgz#51b2128a531b70c4f6764093a73cbebb82186372"
+  version "0.10.27"
+  resolved "https://registry.yarnpkg.com/es5-ext/-/es5-ext-0.10.27.tgz#bf926b058c62b1cb5de1a887930673b6aa6d9a66"
   dependencies:
     es6-iterator "2"
     es6-symbol "~3.1"
@@ -912,21 +912,21 @@ stack-chain@^1.3.5:
   resolved "https://registry.yarnpkg.com/stack-chain/-/stack-chain-1.3.7.tgz#d192c9ff4ea6a22c94c4dd459171e3f00cea1285"
 
 stack-generator@^2.0.1:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/stack-generator/-/stack-generator-2.0.1.tgz#b37d8b0d9a2a6e52c06cc8e185f98f199fb63804"
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/stack-generator/-/stack-generator-2.0.2.tgz#3c13d952a596ab9318fec0669d0a1df8b87176c7"
   dependencies:
-    stackframe "^1.0.3"
+    stackframe "^1.0.4"
 
-stackframe@^1.0.3:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/stackframe/-/stackframe-1.0.3.tgz#fe64ab20b170e4ce49044b126c119dfa0e5dc7cc"
+stackframe@^1.0.3, stackframe@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/stackframe/-/stackframe-1.0.4.tgz#357b24a992f9427cba6b545d96a14ed2cbca187b"
 
 stacktrace-gps@^3.0.1:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/stacktrace-gps/-/stacktrace-gps-3.0.1.tgz#1e6f4997841d2b5bdabab9e6117e965ebbe64286"
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/stacktrace-gps/-/stacktrace-gps-3.0.2.tgz#33f8baa4467323ab2bd1816efa279942ba431ccc"
   dependencies:
     source-map "0.5.6"
-    stackframe "^1.0.3"
+    stackframe "^1.0.4"
 
 stacktrace-js@^2.0.0:
   version "2.0.0"