diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3a7e3cfc..7da95ca7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,13 @@
+<a name="4.8.5"></a>
+## [4.8.5](https://github.com/docsifyjs/docsify/compare/v4.8.4...v4.8.5) (2018-11-02)
+
+
+### Bug Fixes
+
+* expose version info for Docsify, fixed [#641](https://github.com/docsifyjs/docsify/issues/641) ([aa719e3](https://github.com/docsifyjs/docsify/commit/aa719e3))
+
+
+
 <a name="4.8.4"></a>
 ## [4.8.4](https://github.com/docsifyjs/docsify/compare/v4.8.3...v4.8.4) (2018-11-01)
 
diff --git a/package-lock.json b/package-lock.json
index db221a19..e65185ab 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "docsify",
-  "version": "4.8.4",
+  "version": "4.8.5",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index cbe66ac1..2b9c3d32 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "docsify",
-  "version": "4.8.4",
+  "version": "4.8.5",
   "description": "A magical documentation generator.",
   "author": {
     "name": "qingwei-li",