diff --git a/package-lock.json b/package-lock.json
index 26e5bb64..f0c88c0f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -338,6 +338,7 @@
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/align-text/-/align-text-0.1.4.tgz",
       "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
+      "optional": true,
       "requires": {
         "kind-of": "^3.0.2",
         "longest": "^1.0.1",
@@ -348,6 +349,7 @@
           "version": "3.2.2",
           "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
           "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
+          "optional": true,
           "requires": {
             "is-buffer": "^1.1.5"
           }
@@ -2548,12 +2550,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -2568,17 +2572,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -2695,7 +2702,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -2707,6 +2715,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -2721,6 +2730,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -2728,12 +2738,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.1",
             "yallist": "^3.0.0"
@@ -2752,6 +2764,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -2832,7 +2845,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -2844,6 +2858,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -2965,6 +2980,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -4490,7 +4506,8 @@
     "longest": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/longest/-/longest-1.0.1.tgz",
-      "integrity": "sha1-MKCy2jj3N3DoKUoNIuZiXtd9AJc="
+      "integrity": "sha1-MKCy2jj3N3DoKUoNIuZiXtd9AJc=",
+      "optional": true
     },
     "loose-envify": {
       "version": "1.4.0",
@@ -4578,18 +4595,19 @@
       }
     },
     "markdownlint-cli": {
-      "version": "0.12.0",
-      "resolved": "https://registry.npmjs.org/markdownlint-cli/-/markdownlint-cli-0.12.0.tgz",
-      "integrity": "sha512-qufCBqpR+uRj9jY+Q4IrrBFf1Z5rISzn/aN6M4MQaci309B5xdoUye2AEoqkfddmFVpgH+s0q9FMdOFw7SDWrA==",
+      "version": "0.13.0",
+      "resolved": "https://registry.npmjs.org/markdownlint-cli/-/markdownlint-cli-0.13.0.tgz",
+      "integrity": "sha512-DCjhAIb4EDny6xdjOcu2Rckp1sOSktQU9PjRN2pK9p0Azby7YYBqZXO8I+vhv5XKd2Pk0IbbOhyZ/+zjfH4oww==",
       "requires": {
         "commander": "~2.9.0",
         "deep-extend": "~0.5.1",
         "get-stdin": "~5.0.1",
-        "glob": "~7.0.3",
+        "glob": "~7.1.2",
         "js-yaml": "~3.11.0",
         "lodash.differencewith": "~4.5.0",
         "lodash.flatten": "~4.4.0",
         "markdownlint": "~0.11.0",
+        "minimatch": "~3.0.4",
         "rc": "~1.2.7"
       },
       "dependencies": {
@@ -4601,19 +4619,6 @@
             "graceful-readlink": ">= 1.0.0"
           }
         },
-        "glob": {
-          "version": "7.0.6",
-          "resolved": "https://registry.npmjs.org/glob/-/glob-7.0.6.tgz",
-          "integrity": "sha1-IRuvr0nlJbjNkyYNFKsTYVKz9Xo=",
-          "requires": {
-            "fs.realpath": "^1.0.0",
-            "inflight": "^1.0.4",
-            "inherits": "2",
-            "minimatch": "^3.0.2",
-            "once": "^1.3.0",
-            "path-is-absolute": "^1.0.0"
-          }
-        },
         "js-yaml": {
           "version": "3.11.0",
           "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.11.0.tgz",
@@ -4956,6 +4961,7 @@
           "version": "0.1.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "kind-of": "^3.0.2",
             "longest": "^1.0.1",
@@ -5898,7 +5904,8 @@
         "longest": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "lru-cache": {
           "version": "4.1.3",
diff --git a/package.json b/package.json
index 571abe28..6a46b41b 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "fs-extra": "^7.0.0",
     "husky": "^0.14.3",
     "lint-staged": "^7.0.0",
-    "markdownlint-cli": "^0.12.0",
+    "markdownlint-cli": "^0.13.0",
     "npm-run-all": "^4.1.2",
     "prettier": "^1.10.2",
     "standard-version": "^4.3.0",