diff --git a/python-pyface.spec b/python-pyface.spec
index 5df263e..1dbb430 100644
--- a/python-pyface.spec
+++ b/python-pyface.spec
@@ -2,7 +2,7 @@
 
 Name:           python-%{modname}
 Version:        5.0.0
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Generic User Interface objects
 
 # Images have different licenses. For image license breakdown check
@@ -30,10 +30,10 @@ views and editors for displaying and editing Traits-based objects.
 Summary:        %{summary}
 %{?python_provide:%python_provide python2-%{modname}}
 BuildRequires:  python2-devel python2-setuptools
-BuildRequires:  python2-Traits
+BuildRequires:  python2-Traits python2-traitsui
 BuildRequires:  python-pygments
-BuildRequires:  python2-nose
-Requires:       python2-Traits
+BuildRequires:  python2-nose python-mock
+Requires:       python2-Traits python2-traitsui
 Requires:       python-pygments
 Requires:       python2-%{modname}-backend
 
@@ -49,10 +49,10 @@ Python 2 version.
 Summary:        %{summary}
 %{?python_provide:%python_provide python3-%{modname}}
 BuildRequires:  python3-devel python3-setuptools
-BuildRequires:  python3-Traits
+BuildRequires:  python3-Traits python3-traitsui
 BuildRequires:  python3-pygments
-BuildRequires:  python3-nose
-Requires:       python3-Traits
+BuildRequires:  python3-nose python3-mock
+Requires:       python3-Traits python3-traitsui
 Requires:       python3-pygments
 Requires:       python3-%{modname}-backend
 BuildRequires:  /usr/bin/2to3
@@ -122,8 +122,14 @@ pushd %{py3dir}
 popd
 
 %check
-xvfb-run nosetests-%{python2_version} -v || :
-pushd %{py3dir}
+# Don't fail on testing due to:
+# https://github.com/enthought/pyface/issues/180
+pushd build/lib/
+  xvfb-run nosetests-%{python2_version} -v || :
+popd
+# xvfb-run will fail to start immediately
+sleep 5
+pushd %{py3dir}/build/lib/
   xvfb-run nosetests-%{python3_version} -v || :
 popd
  
@@ -142,6 +148,9 @@ popd
 %files -n python2-%{modname}-wx
 
 %changelog
+* Sat Nov 07 2015 Igor Gnatenko <i.gnatenko.brain@gmail.com> - 5.0.0-4
+- Rebuild against traitsui
+
 * Sat Nov 07 2015 Igor Gnatenko <i.gnatenko.brain@gmail.com> - 5.0.0-3
 - Fix BR/Rs