diff --git a/.gitignore b/.gitignore
index 8c4b2bc..af6554a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /dockerpty-0.2.1.tar.gz
 /dockerpty-0.2.3.tar.gz
 /dockerpty-v0.3.2.tar.gz
+/dockerpty-v0.3.3.tar.gz
diff --git a/python-dockerpty.spec b/python-dockerpty.spec
index be3bf29..3334b4d 100644
--- a/python-dockerpty.spec
+++ b/python-dockerpty.spec
@@ -7,7 +7,7 @@
 %global upstream_name dockerpty
 
 Name:           python-%{upstream_name}
-Version:        0.3.2
+Version:        0.3.3
 Release:        1%{?dist}
 Summary:        Python library to use the pseudo-tty of a docker container
 
@@ -16,11 +16,12 @@ License:        ASL 2.0
 URL:            https://github.com/d11wtq/%{upstream_name}
 Source0:        %{url}/archive/v%{version}.tar.gz#/%{upstream_name}-v%{version}.tar.gz
 
-Requires: python-docker-py
-BuildRequires:  python-devel python-setuptools python-virtualenv
+Requires: python-docker-py python-six
+BuildRequires:  python-devel python-setuptools python-virtualenv python-six
 
 %if 0%{?with_python3}
-BuildRequires:  python3-devel python3-setuptools
+Requires: python3-docker-py python3-six
+BuildRequires:  python3-devel python3-setuptools python3-six
 # For /usr/bin/2to3
 BuildRequires:  python-tools
 %endif # if with_python3
@@ -104,6 +105,9 @@ popd
 %endif # with_python3
 
 %changelog
+* Sat Jun 06 2015 Roman Mohr <roman@fenkhuber.at> - 0.3.3-1
+- Python3 compatible version (rhbz#1172357)
+
 * Sun Nov 30 2014 Roman Mohr <roman@fenkhuber.at> - 0.3.2-1
 - Update to latest upstream
 - Enable unit tests
diff --git a/sources b/sources
index 65a955b..7dbb5da 100644
--- a/sources
+++ b/sources
@@ -1,2 +1 @@
-a71c10f25da7a321b5bd3182cfc14c09  dockerpty-0.2.3.tar.gz
-03c6d6cc1d4c66ccc8228cc335faef23  dockerpty-v0.3.2.tar.gz
+f4bf8a82a60763e4c6141f4537372bc7  dockerpty-v0.3.3.tar.gz