diff --git a/docs/release-notes.md b/docs/release-notes.md
index 28b7874c3..ce4554c53 100644
--- a/docs/release-notes.md
+++ b/docs/release-notes.md
@@ -1,5 +1,7 @@
 ## Next release
 
+## 0.9.1
+
 * Document receiving <a href="https://fastapi.tiangolo.com/tutorial/query-params-str-validations/#query-parameter-list-multiple-values" target="_blank">Multiple values with the same query parameter</a> and <a href="https://fastapi.tiangolo.com/tutorial/header-params/#duplicate-headers" target="_blank">Duplicate headers</a>. PR <a href="https://github.com/tiangolo/fastapi/pull/95" target="_blank">#95</a>.
 
 ## 0.9.0
diff --git a/fastapi/__init__.py b/fastapi/__init__.py
index 99277ad01..2db3339db 100644
--- a/fastapi/__init__.py
+++ b/fastapi/__init__.py
@@ -1,6 +1,6 @@
 """FastAPI framework, high performance, easy to learn, fast to code, ready for production"""
 
-__version__ = "0.9.0"
+__version__ = "0.9.1"
 
 from .applications import FastAPI
 from .datastructures import UploadFile