Prepare changes for v3.3.1 release.
diff --git a/CHANGES.rst b/CHANGES.rst
index 0a66e17..a99a8bd 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,8 +1,8 @@
 Changelog
 =========
 
-Changes in Apache Libcloud in development
------------------------------------------
+Changes in Apache Libcloud 3.3.1
+--------------------------------
 
 Compute
 ~~~~~~~
diff --git a/docs/conf.py b/docs/conf.py
index 85a38c3..4a2517a 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -68,9 +68,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = '3.3.1-dev'
+version = '3.3.1'
 # The full version, including alpha/beta/rc tags.
-release = '3.3.1-dev'
+release = '3.3.1'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/libcloud/__init__.py b/libcloud/__init__.py
index a40b1a2..5165fda 100644
--- a/libcloud/__init__.py
+++ b/libcloud/__init__.py
@@ -41,7 +41,7 @@
     'enable_debug'
 ]
 
-__version__ = '3.3.1-dev'
+__version__ = '3.3.1'
 
 
 def enable_debug(fo):
diff --git a/libcloud/compute/constants/ec2_region_details_partial.py b/libcloud/compute/constants/ec2_region_details_partial.py
index 745fb26..c9d4374 100644
--- a/libcloud/compute/constants/ec2_region_details_partial.py
+++ b/libcloud/compute/constants/ec2_region_details_partial.py
@@ -155,4 +155,4 @@
         "id": "us-west-2",
         "signature_version": "2"
     }
-}
+}
\ No newline at end of file