diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5caa14ada8..179aed1674 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
+## 0.9.3 (December 7th, 2019)
+
+### Fixed
+
+- Fixed HTTP/2 with autodetection backend. (Pull #614)
+
 ## 0.9.2 (December 7th, 2019)
 
 * Released due to packaging build artifact.
diff --git a/httpx/__version__.py b/httpx/__version__.py
index 64beab1850..2ab855719a 100644
--- a/httpx/__version__.py
+++ b/httpx/__version__.py
@@ -1,3 +1,3 @@
 __title__ = "httpx"
 __description__ = "A next generation HTTP client, for Python 3."
-__version__ = "0.9.2"
+__version__ = "0.9.3"
diff --git a/httpx/concurrency/auto.py b/httpx/concurrency/auto.py
index 3b57e5674d..ed85806e7a 100644
--- a/httpx/concurrency/auto.py
+++ b/httpx/concurrency/auto.py
@@ -51,3 +51,12 @@ async def run_in_threadpool(
 
     def create_event(self) -> BaseEvent:
         return self.backend.create_event()
+
+    async def fork(
+        self,
+        coroutine1: typing.Callable,
+        args1: typing.Sequence,
+        coroutine2: typing.Callable,
+        args2: typing.Sequence,
+    ) -> None:
+        return await self.backend.fork(coroutine1, args1, coroutine2, args2)