diff --git a/CHANGES.txt b/CHANGES.txt
index e63fb92..2ee2a85 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -58,3 +58,4 @@
   * 1.3.1: Fix pilbox.image CLI for python 3.0
   * 1.3.2: Fix GIF P-mode to JPEG conversion
   * 1.3.3: Increase Pillow version to 5.2.0 and Tornado version to 5.1.0
+  * 1.3.4: Added worker config property to set number of Tornado processes
diff --git a/README.rst b/README.rst
index 6bfdb60..54b2d41 100644
--- a/README.rst
+++ b/README.rst
@@ -667,3 +667,5 @@ Changelog
 -  1.3.1: Fix pilbox.image CLI for python 3.0
 -  1.3.2: Fix GIF P-mode to JPEG conversion
 -  1.3.3: Increase Pillow version to 5.2.0 and Tornado version to 5.1.0
+-  1.3.4: Added worker config property to set number of Tornado
+   processes
diff --git a/pilbox/__init__.py b/pilbox/__init__.py
index 976f3da..163b9d4 100644
--- a/pilbox/__init__.py
+++ b/pilbox/__init__.py
@@ -81,13 +81,14 @@
   * 1.3.1: Fix pilbox.image CLI for python 3.0
   * 1.3.2: Fix GIF P-mode to JPEG conversion
   * 1.3.3: Increase Pillow version to 5.2.0 and Tornado version to 5.1.0
+  * 1.3.4: Added worker config property to set number of Tornado processes
 """
 
 # human-readable version number
-version = "1.3.3"
+version = "1.3.4"
 
 # The first three numbers are the components of the version number.
 # The fourth is zero for an official release, positive for a development
 # branch, or negative for a release candidate or beta (after the base version
 # number has been incremented)
-version_info = (1, 3, 3, 0)
+version_info = (1, 3, 4, 0)
diff --git a/setup.py b/setup.py
index c5596b6..2c9fdb6 100644
--- a/setup.py
+++ b/setup.py
@@ -21,7 +21,7 @@ def run(self):
 
 
 setup(name='pilbox',
-      version='1.3.3',
+      version='1.3.4',
       description='Pilbox is an image processing application server built on the Tornado web framework using the Pillow Imaging Library',
       long_description=readme,
       classifiers=[