diff --git a/docs/release-notes.md b/docs/release-notes.md
index 3fe0221d4..d140ce527 100644
--- a/docs/release-notes.md
+++ b/docs/release-notes.md
@@ -1,5 +1,7 @@
 ## Next
 
+## 0.6.4
+
 * Add <a href="https://fastapi.tiangolo.com/async/#very-technical-details" target="_blank">technical details about `async def` handling to docs</a>. PR <a href="https://github.com/tiangolo/fastapi/pull/61" target="_blank">#61</a>.
 
 * Add docs for <a href="https://fastapi.tiangolo.com/tutorial/debugging/" target="_blank">Debugging FastAPI applications in editors</a>.
diff --git a/fastapi/__init__.py b/fastapi/__init__.py
index 6cea2d212..0f5eadabf 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__ = "0.6.3"
+__version__ = "0.6.4"
 
 from .applications import FastAPI
 from .routing import APIRouter