diff --git a/package-lock.json b/package-lock.json
index b314e3c..8ea5611 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3218,6 +3218,12 @@
       "integrity": "sha1-Epai1Y/UXxmg9s4B1lcB4sc1tus=",
       "dev": true
     },
+    "jsonc-parser": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/jsonc-parser/-/jsonc-parser-2.2.0.tgz",
+      "integrity": "sha512-4fLQxW1j/5fWj6p78vAlAafoCKtuBm6ghv+Ij5W2DrDx0qE+ZdEl2c6Ko1mgJNF5ftX1iEWQQ4Ap7+3GlhjkOA==",
+      "dev": true
+    },
     "jsonfile": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-4.0.0.tgz",
@@ -3451,29 +3457,30 @@
       }
     },
     "markdownlint": {
-      "version": "0.17.2",
-      "resolved": "https://registry.npmjs.org/markdownlint/-/markdownlint-0.17.2.tgz",
-      "integrity": "sha512-vsxopn0qEdm0P2XI3S9sVA+jvjKjR8lHZ+0FKlusth+1UK9tI29mRFkKeZPERmbWsMehJcogfMieBUkMgNEFkQ==",
+      "version": "0.18.0",
+      "resolved": "https://registry.npmjs.org/markdownlint/-/markdownlint-0.18.0.tgz",
+      "integrity": "sha512-nQAfK9Pbq0ZRoMC/abNGterEnV3kL8MZmi0WHhw8WJKoIbsm3cXGufGsxzCRvjW15cxe74KWcxRSKqwplS26Bw==",
       "dev": true,
       "requires": {
         "markdown-it": "10.0.0"
       }
     },
     "markdownlint-cli": {
-      "version": "0.19.0",
-      "resolved": "https://registry.npmjs.org/markdownlint-cli/-/markdownlint-cli-0.19.0.tgz",
-      "integrity": "sha512-5hUEBAmbCVJflws6841HJ0KTZdgGWYaPThoXPI6Wjn1VkoiYWsprNH0r3PvPmyGXtvbHJ7/7eGPde2a6cx8t0w==",
+      "version": "0.20.0",
+      "resolved": "https://registry.npmjs.org/markdownlint-cli/-/markdownlint-cli-0.20.0.tgz",
+      "integrity": "sha512-5VCGS+9w/mVMVDHrKOciq+ZXYdFEypyuCvCdNjHdji8itqcryWMr7V2NdpxQ/KeJmMNoRYsdc2R+88lSc+2gpA==",
       "dev": true,
       "requires": {
         "commander": "~2.9.0",
         "deep-extend": "~0.5.1",
         "get-stdin": "~5.0.1",
         "glob": "~7.1.2",
-        "js-yaml": "^3.13.1",
+        "js-yaml": "~3.13.1",
+        "jsonc-parser": "~2.2.0",
         "lodash.differencewith": "~4.5.0",
         "lodash.flatten": "~4.4.0",
-        "markdownlint": "~0.17.1",
-        "markdownlint-rule-helpers": "~0.5.0",
+        "markdownlint": "~0.18.0",
+        "markdownlint-rule-helpers": "~0.6.0",
         "minimatch": "~3.0.4",
         "rc": "~1.2.7"
       },
@@ -3487,9 +3494,9 @@
       }
     },
     "markdownlint-rule-helpers": {
-      "version": "0.5.0",
-      "resolved": "https://registry.npmjs.org/markdownlint-rule-helpers/-/markdownlint-rule-helpers-0.5.0.tgz",
-      "integrity": "sha512-6bJAV4TjUoDDnqxfb6EKTuZlpYI6vn4kerid7WTrZaEjsWuYDeYDAN+r4o+vbUYFZfJkiBU7NPBqPd4QJ1CZzQ==",
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/markdownlint-rule-helpers/-/markdownlint-rule-helpers-0.6.0.tgz",
+      "integrity": "sha512-LiZVAbg9/cqkBHtLNNqHV3xuy4Y2L/KuGU6+ZXqCT9NnCdEkIoxeI5/96t+ExquBY0iHy2CVWxPH16nG1RKQVQ==",
       "dev": true
     },
     "marked": {
diff --git a/package.json b/package.json
index 35824de..1bc3ff4 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "commitizen": "^4.0.3",
     "cz-conventional-changelog": "^3.0.2",
     "husky": "^3.1.0",
-    "markdownlint-cli": "^0.19.0",
+    "markdownlint-cli": "^0.20.0",
     "semantic-release": "^15.13.31"
   },
   "peerDependencies": {