diff --git a/package.json b/package.json
index 1104e15..158ab39 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "coveralls": "2.11.9",
     "cz-conventional-changelog": "1.1.6",
     "isparta": "4.0.0",
-    "jsdoc-to-markdown": "1.3.6",
+    "jsdoc-to-markdown": "1.3.9",
     "kittik-cursor": "5.0.0",
     "kittik-shape-rectangle": "3.0.0",
     "mocha": "2.5.3",