diff --git a/python-actdiag.changes b/python-actdiag.changes
index 12d30ee..fa54325 100644
--- a/python-actdiag.changes
+++ b/python-actdiag.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Jan  8 04:43:59 UTC 2019 - Thomas Bechtold <tbechtold@suse.com>
+
+- Use Requires instead of Suggests for RHEL/Fedora systems
+
 -------------------------------------------------------------------
 Wed Dec  5 01:51:27 UTC 2018 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/python-actdiag.spec b/python-actdiag.spec
index a127cff..b863fc6 100644
--- a/python-actdiag.spec
+++ b/python-actdiag.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-actdiag
 #
-# Copyright (c) 2018 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2019 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -23,17 +23,24 @@ Release:        0
 Summary:        Text to activity-diagram image generator
 License:        Apache-2.0
 Group:          Development/Languages/Python
-URL:            http://blockdiag.com/
+Url:            http://blockdiag.com/
 Source:         https://files.pythonhosted.org/packages/source/a/actdiag/actdiag-%{version}.tar.gz
 BuildRequires:  %{python_module setuptools}
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
 Requires:       python-blockdiag >= 1.5.0
 Requires:       python-setuptools
+%if 0%{?rhel} || 0%{?fedora}
+Requires:       python-docutils
+Requires:       python-nose
+Requires:       python-pep8 >= 1.3
+Requires:       python-reportlab
+%else
 Suggests:       python-docutils
 Suggests:       python-nose
 Suggests:       python-pep8 >= 1.3
 Suggests:       python-reportlab
+%endif
 BuildArch:      noarch
 %python_subpackages