diff --git a/package.json b/package.json
index 24a9394..bc05dd3 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
   "devDependencies": {
     "coveralls": "^3.0.0",
     "husky": "0.14.3",
-    "jest": "^22.0.3",
+    "jest": "^22.0.4",
     "lint-staged": "6.0.0",
     "nyc": "^11.4.1",
     "prettier": "1.9.2"
diff --git a/yarn.lock b/yarn.lock
index 95b1301..100ac99 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -244,9 +244,9 @@ babel-helpers@^6.24.1:
     babel-runtime "^6.22.0"
     babel-template "^6.24.1"
 
-babel-jest@^22.0.3:
-  version "22.0.3"
-  resolved "https://registry.yarnpkg.com/babel-jest/-/babel-jest-22.0.3.tgz#c9d7a786c57ee94cee15b5826468fd55f69d4b4c"
+babel-jest@^22.0.4:
+  version "22.0.4"
+  resolved "https://registry.yarnpkg.com/babel-jest/-/babel-jest-22.0.4.tgz#533c46de37d7c9d7612f408c76314be9277e0c26"
   dependencies:
     babel-plugin-istanbul "^4.1.5"
     babel-preset-jest "^22.0.3"
@@ -1474,9 +1474,9 @@ jest-changed-files@^22.0.3:
   dependencies:
     throat "^4.0.0"
 
-jest-cli@^22.0.3:
-  version "22.0.3"
-  resolved "https://registry.yarnpkg.com/jest-cli/-/jest-cli-22.0.3.tgz#575c5257ae0c51c142dfaab9eed9914c40f62611"
+jest-cli@^22.0.4:
+  version "22.0.4"
+  resolved "https://registry.yarnpkg.com/jest-cli/-/jest-cli-22.0.4.tgz#0052abaad45c57861c05da8ab5d27bad13ad224d"
   dependencies:
     ansi-escapes "^3.0.0"
     chalk "^2.0.1"
@@ -1488,17 +1488,17 @@ jest-cli@^22.0.3:
     istanbul-lib-instrument "^1.8.0"
     istanbul-lib-source-maps "^1.2.1"
     jest-changed-files "^22.0.3"
-    jest-config "^22.0.3"
-    jest-environment-jsdom "^22.0.3"
+    jest-config "^22.0.4"
+    jest-environment-jsdom "^22.0.4"
     jest-get-type "^22.0.3"
     jest-haste-map "^22.0.3"
     jest-message-util "^22.0.3"
     jest-regex-util "^22.0.3"
     jest-resolve-dependencies "^22.0.3"
-    jest-runner "^22.0.3"
-    jest-runtime "^22.0.3"
+    jest-runner "^22.0.4"
+    jest-runtime "^22.0.4"
     jest-snapshot "^22.0.3"
-    jest-util "^22.0.3"
+    jest-util "^22.0.4"
     jest-worker "^22.0.3"
     micromatch "^2.3.11"
     node-notifier "^5.1.2"
@@ -1510,19 +1510,19 @@ jest-cli@^22.0.3:
     which "^1.2.12"
     yargs "^10.0.3"
 
-jest-config@^22.0.3:
-  version "22.0.3"
-  resolved "https://registry.yarnpkg.com/jest-config/-/jest-config-22.0.3.tgz#633d600962af7496584e0061d7a8de1252b6f3f2"
+jest-config@^22.0.4:
+  version "22.0.4"
+  resolved "https://registry.yarnpkg.com/jest-config/-/jest-config-22.0.4.tgz#9c2a46c0907b1a1af54d9cdbf18e99b447034e11"
   dependencies:
     chalk "^2.0.1"
     glob "^7.1.1"
-    jest-environment-jsdom "^22.0.3"
-    jest-environment-node "^22.0.3"
+    jest-environment-jsdom "^22.0.4"
+    jest-environment-node "^22.0.4"
     jest-get-type "^22.0.3"
-    jest-jasmine2 "^22.0.3"
+    jest-jasmine2 "^22.0.4"
     jest-regex-util "^22.0.3"
-    jest-resolve "^22.0.3"
-    jest-util "^22.0.3"
+    jest-resolve "^22.0.4"
+    jest-util "^22.0.4"
     jest-validate "^22.0.3"
     pretty-format "^22.0.3"
 
@@ -1541,20 +1541,20 @@ jest-docblock@^22.0.3:
   dependencies:
     detect-newline "^2.1.0"
 
-jest-environment-jsdom@^22.0.3:
-  version "22.0.3"
-  resolved "https://registry.yarnpkg.com/jest-environment-jsdom/-/jest-environment-jsdom-22.0.3.tgz#7bc2efae12eabcac16974016fa69f7b34e473ab4"
+jest-environment-jsdom@^22.0.4:
+  version "22.0.4"
+  resolved "https://registry.yarnpkg.com/jest-environment-jsdom/-/jest-environment-jsdom-22.0.4.tgz#5723d4e724775ed38948de792e62f2d6a7f452df"
   dependencies:
     jest-mock "^22.0.3"
-    jest-util "^22.0.3"
+    jest-util "^22.0.4"
     jsdom "^11.5.1"
 
-jest-environment-node@^22.0.3:
-  version "22.0.3"
-  resolved "https://registry.yarnpkg.com/jest-environment-node/-/jest-environment-node-22.0.3.tgz#be65d7fa56c448bbcd09c967285e799363764061"
+jest-environment-node@^22.0.4:
+  version "22.0.4"
+  resolved "https://registry.yarnpkg.com/jest-environment-node/-/jest-environment-node-22.0.4.tgz#068671f85a545f96a5469be3a3dd228fca79c709"
   dependencies:
     jest-mock "^22.0.3"
-    jest-util "^22.0.3"
+    jest-util "^22.0.4"
 
 jest-get-type@^21.2.0:
   version "21.2.0"
@@ -1575,9 +1575,9 @@ jest-haste-map@^22.0.3:
     micromatch "^2.3.11"
     sane "^2.0.0"
 
-jest-jasmine2@^22.0.3:
-  version "22.0.3"
-  resolved "https://registry.yarnpkg.com/jest-jasmine2/-/jest-jasmine2-22.0.3.tgz#fd080869cf376c5ba2b58c7e21150918cfae1fc0"
+jest-jasmine2@^22.0.4:
+  version "22.0.4"
+  resolved "https://registry.yarnpkg.com/jest-jasmine2/-/jest-jasmine2-22.0.4.tgz#f7c0965116efe831ec674dc954b0134639b3dcee"
   dependencies:
     callsites "^2.0.0"
     chalk "^2.0.1"
@@ -1629,43 +1629,43 @@ jest-resolve-dependencies@^22.0.3:
   dependencies:
     jest-regex-util "^22.0.3"
 
-jest-resolve@^22.0.3:
-  version "22.0.3"
-  resolved "https://registry.yarnpkg.com/jest-resolve/-/jest-resolve-22.0.3.tgz#7a2692dc2b5da7b9efcc7cf29f2bc830880ad06e"
+jest-resolve@^22.0.4:
+  version "22.0.4"
+  resolved "https://registry.yarnpkg.com/jest-resolve/-/jest-resolve-22.0.4.tgz#a6e47f55e9388c7341b5e9732aedc6fe30906121"
   dependencies:
     browser-resolve "^1.11.2"
     chalk "^2.0.1"
 
-jest-runner@^22.0.3:
-  version "22.0.3"
-  resolved "https://registry.yarnpkg.com/jest-runner/-/jest-runner-22.0.3.tgz#49f0f62d9aca053f2d57715f7a8e94ba62b78cee"
+jest-runner@^22.0.4:
+  version "22.0.4"
+  resolved "https://registry.yarnpkg.com/jest-runner/-/jest-runner-22.0.4.tgz#3aa43a31b05ce8271539df580c2eb916023d3367"
   dependencies:
-    jest-config "^22.0.3"
+    jest-config "^22.0.4"
     jest-docblock "^22.0.3"
     jest-haste-map "^22.0.3"
-    jest-jasmine2 "^22.0.3"
+    jest-jasmine2 "^22.0.4"
     jest-leak-detector "^22.0.3"
     jest-message-util "^22.0.3"
-    jest-runtime "^22.0.3"
-    jest-util "^22.0.3"
+    jest-runtime "^22.0.4"
+    jest-util "^22.0.4"
     jest-worker "^22.0.3"
     throat "^4.0.0"
 
-jest-runtime@^22.0.3:
-  version "22.0.3"
-  resolved "https://registry.yarnpkg.com/jest-runtime/-/jest-runtime-22.0.3.tgz#6fa825bd8da9488f06e035fdf3f8a3aeec4eb624"
+jest-runtime@^22.0.4:
+  version "22.0.4"
+  resolved "https://registry.yarnpkg.com/jest-runtime/-/jest-runtime-22.0.4.tgz#8f69aa7b5fbb3acd35dc262cbf654e563f69b7b4"
   dependencies:
     babel-core "^6.0.0"
-    babel-jest "^22.0.3"
+    babel-jest "^22.0.4"
     babel-plugin-istanbul "^4.1.5"
     chalk "^2.0.1"
     convert-source-map "^1.4.0"
     graceful-fs "^4.1.11"
-    jest-config "^22.0.3"
+    jest-config "^22.0.4"
     jest-haste-map "^22.0.3"
     jest-regex-util "^22.0.3"
-    jest-resolve "^22.0.3"
-    jest-util "^22.0.3"
+    jest-resolve "^22.0.4"
+    jest-util "^22.0.4"
     json-stable-stringify "^1.0.1"
     micromatch "^2.3.11"
     realpath-native "^1.0.0"
@@ -1685,9 +1685,9 @@ jest-snapshot@^22.0.3:
     natural-compare "^1.4.0"
     pretty-format "^22.0.3"
 
-jest-util@^22.0.3:
-  version "22.0.3"
-  resolved "https://registry.yarnpkg.com/jest-util/-/jest-util-22.0.3.tgz#e61179c6abecf91218e4496bed9243c8f6667b87"
+jest-util@^22.0.4:
+  version "22.0.4"
+  resolved "https://registry.yarnpkg.com/jest-util/-/jest-util-22.0.4.tgz#d920a513e0645aaab030cee38e4fe7d5bed8bb6d"
   dependencies:
     callsites "^2.0.0"
     chalk "^2.0.1"
@@ -1721,11 +1721,11 @@ jest-worker@^22.0.3:
   dependencies:
     merge-stream "^1.0.1"
 
-jest@^22.0.3:
-  version "22.0.3"
-  resolved "https://registry.yarnpkg.com/jest/-/jest-22.0.3.tgz#bbf5bb8fbae6acaf743bd1300d69bb12bae2f021"
+jest@^22.0.4:
+  version "22.0.4"
+  resolved "https://registry.yarnpkg.com/jest/-/jest-22.0.4.tgz#d3cf560ece6b825b115dce80b9826ceb40f87961"
   dependencies:
-    jest-cli "^22.0.3"
+    jest-cli "^22.0.4"
 
 js-tokens@^3.0.0, js-tokens@^3.0.2:
   version "3.0.2"