diff --git a/NEWS b/NEWS
index 36afee1..eb0ed9a 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,7 @@
+0.18.4
+======
+* wsgi: change TCP_NODELAY to TCP_QUICKACK, ignore socket error when not available
+
 0.18.3
 ======
 * wsgi: Use buffered writes - fixes partial socket.send without custom
diff --git a/doc/real_index.html b/doc/real_index.html
index 038dd93..22a0ba0 100644
--- a/doc/real_index.html
+++ b/doc/real_index.html
@@ -54,7 +54,7 @@ pip install eventlet
 <p>Alternately, you can download the source archive:</p>
 <ul>
 <li>latest release from <a class="reference external" target="_blank" href="https://pypi.python.org/pypi/eventlet/">PyPi</a>:
-  <a class="reference external" href="https://pypi.python.org/packages/source/e/eventlet/eventlet-0.18.3.tar.gz">eventlet-0.18.3.tar.gz</a></li>
+  <a class="reference external" href="https://pypi.python.org/packages/source/e/eventlet/eventlet-0.18.4.tar.gz">eventlet-0.18.4.tar.gz</a></li>
 <li>or <a class="reference external" href="https://github.com/eventlet/eventlet/archive/master.zip">latest development version</a></li>
 </ul>
 
diff --git a/eventlet/__init__.py b/eventlet/__init__.py
index f614d75..444e37f 100644
--- a/eventlet/__init__.py
+++ b/eventlet/__init__.py
@@ -1,4 +1,4 @@
-version_info = (0, 18, 3)
+version_info = (0, 18, 4)
 __version__ = '.'.join(map(str, version_info))
 
 try: