diff --git a/package.json b/package.json
index acf375e..6f338df 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "babel-preset-env": "^1.4.0",
     "codeclimate-test-reporter": "^0.4.1",
     "coveralls": "^2.11.16",
-    "esdoc": "^0.5.2",
+    "esdoc": "^1.0.0-alpha.2",
     "nyc": "^10.1.2"
   },
   "homepage": "http://aureooms.github.io/js-uint64/",