diff --git a/package.json b/package.json
index d7363bf7..63f73821 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "@mi11er/eslint-config": "2.2.2",
     "@semantic-release/changelog": "2.0.2",
     "@semantic-release/git": "5.0.0",
-    "chai": "4.1.2",
+    "chai": "4.2.0",
     "codeclimate-test-reporter": "0.5.0",
     "commitizen": "2.10.1",
     "cz-conventional-changelog": "2.1.0",
@@ -62,12 +62,12 @@
     "eslint-plugin-scanjs-rules": "0.2.1",
     "eslint-plugin-security": "1.4.0",
     "husky": "0.14.3",
-    "lint-staged": "7.2.2",
+    "lint-staged": "7.3.0",
     "mocha": "5.2.0",
     "npm-run-all": "4.1.3",
     "nyc": "12.0.2",
-    "prettier": "1.14.2",
-    "pretty-quick": "1.6.0",
+    "prettier": "1.14.3",
+    "pretty-quick": "1.7.0",
     "rimraf": "2.6.2",
     "semantic-release": "15.5.0",
     "sort-package-json": "1.15.0"
diff --git a/yarn.lock b/yarn.lock
index d7c632c2..d2789a30 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -489,7 +489,7 @@ assert-plus@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/assert-plus/-/assert-plus-0.2.0.tgz#d74e1b87e7affc0db8aadb7021f3fe48101ab234"
 
-assertion-error@^1.0.1:
+assertion-error@^1.0.1, assertion-error@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/assertion-error/-/assertion-error-1.1.0.tgz#e60b6b0e8f301bd97e5375215bda406c85118c0b"
 
@@ -729,7 +729,18 @@ center-align@^0.1.1:
     align-text "^0.1.3"
     lazy-cache "^1.0.3"
 
-chai@4.1.2, chai@^4.1.2:
+chai@4.2.0:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/chai/-/chai-4.2.0.tgz#760aa72cf20e3795e84b12877ce0e83737aa29e5"
+  dependencies:
+    assertion-error "^1.1.0"
+    check-error "^1.0.2"
+    deep-eql "^3.0.1"
+    get-func-name "^2.0.0"
+    pathval "^1.1.0"
+    type-detect "^4.0.5"
+
+chai@^4.1.2:
   version "4.1.2"
   resolved "https://registry.yarnpkg.com/chai/-/chai-4.1.2.tgz#0f64584ba642f0f2ace2806279f4f06ca23ad73c"
   dependencies:
@@ -762,7 +773,7 @@ chardet@^0.4.0:
   version "0.4.2"
   resolved "https://registry.yarnpkg.com/chardet/-/chardet-0.4.2.tgz#b5473b33dc97c424e5d98dc87d55d4d8a29c8bf2"
 
-check-error@^1.0.1:
+check-error@^1.0.1, check-error@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/check-error/-/check-error-1.0.2.tgz#574d312edd88bb5dd8912e9286dd6c0aed4aac82"
 
@@ -1162,7 +1173,7 @@ dedent@^0.7.0:
   version "0.7.0"
   resolved "https://registry.yarnpkg.com/dedent/-/dedent-0.7.0.tgz#2495ddbaf6eb874abb0e1be9df22d2e5a544326c"
 
-deep-eql@^3.0.0:
+deep-eql@^3.0.0, deep-eql@^3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/deep-eql/-/deep-eql-3.0.1.tgz#dfc9404400ad1c8fe023e7da1df1c147c4b444df"
   dependencies:
@@ -3024,9 +3035,9 @@ levn@^0.3.0, levn@~0.3.0:
     prelude-ls "~1.1.2"
     type-check "~0.3.2"
 
-lint-staged@7.2.2:
-  version "7.2.2"
-  resolved "https://registry.yarnpkg.com/lint-staged/-/lint-staged-7.2.2.tgz#0983d55d497f19f36d11ff2c8242b2f56cc2dd05"
+lint-staged@7.3.0:
+  version "7.3.0"
+  resolved "https://registry.yarnpkg.com/lint-staged/-/lint-staged-7.3.0.tgz#90ff33e5ca61ed3dbac35b6f6502dbefdc0db58d"
   dependencies:
     chalk "^2.3.1"
     commander "^2.14.1"
@@ -3896,7 +3907,7 @@ path-type@^3.0.0:
   dependencies:
     pify "^3.0.0"
 
-pathval@^1.0.0:
+pathval@^1.0.0, pathval@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/pathval/-/pathval-1.1.0.tgz#b942e6d4bde653005ef6b71361def8727d0645e0"
 
@@ -3960,9 +3971,9 @@ preserve@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
 
-prettier@1.14.2:
-  version "1.14.2"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.14.2.tgz#0ac1c6e1a90baa22a62925f41963c841983282f9"
+prettier@1.14.3:
+  version "1.14.3"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.14.3.tgz#90238dd4c0684b7edce5f83b0fb7328e48bd0895"
 
 pretty-format@^23.5.0:
   version "23.5.0"
@@ -3971,9 +3982,9 @@ pretty-format@^23.5.0:
     ansi-regex "^3.0.0"
     ansi-styles "^3.2.0"
 
-pretty-quick@1.6.0:
-  version "1.6.0"
-  resolved "https://registry.yarnpkg.com/pretty-quick/-/pretty-quick-1.6.0.tgz#afc3591eb5c4cf37614a305d489a8a40e57c9258"
+pretty-quick@1.7.0:
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/pretty-quick/-/pretty-quick-1.7.0.tgz#6be2a707f874b56a461f6508c9fbd5d1c9234930"
   dependencies:
     chalk "^2.3.0"
     execa "^0.8.0"
@@ -4948,7 +4959,7 @@ type-check@~0.3.2:
   dependencies:
     prelude-ls "~1.1.2"
 
-type-detect@^4.0.0:
+type-detect@^4.0.0, type-detect@^4.0.5:
   version "4.0.8"
   resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-4.0.8.tgz#7646fb5f18871cfbb7749e69bd39a6388eb7450c"