diff --git a/History.md b/History.md
index 76fd3f6..df11f48 100644
--- a/History.md
+++ b/History.md
@@ -1,4 +1,10 @@
 
+5.12.1 / 2019-07-10
+==================
+
+**fixes**
+  * [[`77968e3`](http://github.com/koajs/session/commit/77968e3ff6fb5d4f4a36665474ccd992fed689ec)] - fix: ensure ctx.session always has value (dead-horse <<dead_horse@qq.com>>)
+
 5.12.0 / 2019-05-17
 ==================
 
diff --git a/package.json b/package.json
index 4a38ac9..a1a072a 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "koa-session",
   "description": "Koa cookie session middleware with external store support",
   "repository": "koajs/session",
-  "version": "5.12.0",
+  "version": "5.12.1",
   "keywords": [
     "koa",
     "middleware",