diff --git a/package.json b/package.json
index 52232ef..5fde8be 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "clean-release": "2.5.2",
     "clean-scripts": "1.9.2",
     "jasmine": "3.1.0",
-    "markdownlint-cli": "0.8.2",
+    "markdownlint-cli": "0.9.0",
     "no-unused-export": "1.5.1",
     "rimraf": "2.6.2",
     "standard": "11.0.1",
diff --git a/yarn.lock b/yarn.lock
index 764eedb..44fb033 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -161,8 +161,8 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-10.1.2.tgz#1b928a0baa408fc8ae3ac012cc81375addc147c6"
 
 JSONStream@^1.0.4:
-  version "1.3.2"
-  resolved "https://registry.yarnpkg.com/JSONStream/-/JSONStream-1.3.2.tgz#c102371b6ec3a7cf3b847ca00c20bb0fce4c6dea"
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/JSONStream/-/JSONStream-1.3.3.tgz#27b4b8fbbfeab4e71bcf551e7f27be8d952239bf"
   dependencies:
     jsonparse "^1.2.0"
     through ">=2.2.7 <3"
@@ -1013,7 +1013,7 @@ inflight@^1.0.4:
     once "^1.3.0"
     wrappy "1"
 
-inherits@2, inherits@^2.0.3, inherits@~2.0.1, inherits@~2.0.3:
+inherits@2, inherits@^2.0.3, inherits@~2.0.3:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
 
@@ -1358,9 +1358,9 @@ markdown-it@8.4.1:
     mdurl "^1.0.1"
     uc.micro "^1.0.5"
 
-markdownlint-cli@0.8.2:
-  version "0.8.2"
-  resolved "https://registry.yarnpkg.com/markdownlint-cli/-/markdownlint-cli-0.8.2.tgz#c4aec23ea45f9a869add4fc26354226c9158e454"
+markdownlint-cli@0.9.0:
+  version "0.9.0"
+  resolved "https://registry.yarnpkg.com/markdownlint-cli/-/markdownlint-cli-0.9.0.tgz#241a62e98ba5fd1594f57adb5823bc6bf83e95e2"
   dependencies:
     commander "~2.9.0"
     deep-extend "~0.5.1"
@@ -1368,12 +1368,12 @@ markdownlint-cli@0.8.2:
     glob "~7.0.3"
     lodash.differencewith "~4.5.0"
     lodash.flatten "~4.4.0"
-    markdownlint "~0.8.1"
+    markdownlint "~0.9.0"
     rc "~1.2.7"
 
-markdownlint@~0.8.1:
-  version "0.8.1"
-  resolved "https://registry.yarnpkg.com/markdownlint/-/markdownlint-0.8.1.tgz#a87572ccc84273b2a723205e65fa657437fe06c6"
+markdownlint@~0.9.0:
+  version "0.9.0"
+  resolved "https://registry.yarnpkg.com/markdownlint/-/markdownlint-0.9.0.tgz#f2500856b6c2a1450b919dcb4671d4116fb1f0bf"
   dependencies:
     markdown-it "8.4.1"
 
@@ -1453,10 +1453,8 @@ natural-compare@^1.4.0:
   resolved "https://registry.yarnpkg.com/natural-compare/-/natural-compare-1.4.0.tgz#4abebfeed7541f2c27acfb29bdbbd15c8d5ba4f7"
 
 nested-error-stacks@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/nested-error-stacks/-/nested-error-stacks-2.0.0.tgz#98b2ffaefb4610fa3936f1e71435d30700de2840"
-  dependencies:
-    inherits "~2.0.1"
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/nested-error-stacks/-/nested-error-stacks-2.0.1.tgz#d2cc9fc5235ddb371fc44d506234339c8e4b0a4b"
 
 no-unused-export@1.5.1:
   version "1.5.1"
@@ -1859,8 +1857,8 @@ rx-lite@*, rx-lite@^4.0.8:
   resolved "https://registry.yarnpkg.com/rx-lite/-/rx-lite-4.0.8.tgz#0b1e11af8bc44836f04a6407e92da42467b79444"
 
 rxjs@^5.5.2:
-  version "5.5.10"
-  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-5.5.10.tgz#fde02d7a614f6c8683d0d1957827f492e09db045"
+  version "5.5.11"
+  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-5.5.11.tgz#f733027ca43e3bec6b994473be4ab98ad43ced87"
   dependencies:
     symbol-observable "1.0.1"
 
@@ -2157,8 +2155,8 @@ whatwg-fetch@>=0.10.0:
   resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-2.0.4.tgz#dde6a5df315f9d39991aa17621853d720b85566f"
 
 which@^1.2.9:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/which/-/which-1.3.0.tgz#ff04bdfc010ee547d780bec38e1ac1c2777d253a"
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/which/-/which-1.3.1.tgz#a45043d54f5805316da8d62f9f50918d3da70b0a"
   dependencies:
     isexe "^2.0.0"