diff --git a/package.json b/package.json
index 155c81a..fae3aab 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
   },
   "devDependencies": {
     "coveralls": "^3.0.1",
-    "documentation": "^8.0.0",
+    "documentation": "^9.2.0",
     "minimist": "^1.2.0",
     "nyc": "^12.0.1",
     "standard": "^11.0.1",