diff --git a/.gitignore b/.gitignore
index 4f3d07d..bd3fda0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 /dbus-client-gen-0.2.tar.gz
 /dbus-client-gen-0.3.tar.gz
+/dbus-client-gen-0.4.tar.gz
diff --git a/python-dbus-client-gen.spec b/python-dbus-client-gen.spec
index 14c1a68..b1c275b 100644
--- a/python-dbus-client-gen.spec
+++ b/python-dbus-client-gen.spec
@@ -1,8 +1,9 @@
+%{?python_enable_dependency_generator}
 %global srcname dbus-client-gen
 
 Name:           python-%{srcname}
-Version:        0.3
-Release:        4%{?dist}
+Version:        0.4
+Release:        1%{?dist}
 Summary:        Library for Generating D-Bus Client Code
 
 License:        MPLv2.0
@@ -27,6 +28,7 @@ BuildRequires:  python3-devel
 BuildRequires:  python3-setuptools
 BuildRequires:  python3-pytest
 BuildRequires:  python3-hypothesis
+BuildRequires:  python3-hs-dbus-signature
 
 %description -n python3-%{srcname} %{_description}
 
@@ -42,8 +44,7 @@ Python 3 version.
 %py3_install
 
 %check
-# disabled because pkg for hs-dbus-signature is not available
-# PYTHONPATH=%{buildroot}%{python3_sitelib} py.test-%{python3_version} -v tests
+PYTHONPATH=%{buildroot}%{python3_sitelib} py.test-%{python3_version} -v tests
 
 %files -n python3-%{srcname}
 %license LICENSE
@@ -52,6 +53,9 @@ Python 3 version.
 %{python3_sitelib}/dbus_client_gen-*.egg-info/
 
 %changelog
+* Wed Dec 12 2018 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.4-1
+- Update to 0.4
+
 * Wed Aug 8 2018 Andy Grover <agrover@redhat.com> - 0.3-4
 * Bump version
 
diff --git a/sources b/sources
index d9b7eb7..d4db2c7 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (dbus-client-gen-0.3.tar.gz) = afd821215ed387bbdbdfb0f98837ab9f652dbb0d768acb67cf78cc4992fa07acf90d9998f2b539faae831bdaf155cecfccb3dd04838ca5eb916ff5fec66a0a5c
+SHA512 (dbus-client-gen-0.4.tar.gz) = 801165d75afb244fd4f96e2beb9b48e79bafbfa1a6083991e6439b5a964021069a018488e26cef749a33305c92898701ca9e2a66e317f6dfa1f66f2299c2f750