diff --git a/python-nikola.spec b/python-nikola.spec
index 9908552..33c6eef 100644
--- a/python-nikola.spec
+++ b/python-nikola.spec
@@ -12,6 +12,7 @@ BuildRequires:	python-setuptools
 Requires:	python-doit >= 0.23.0
 Requires:	python-pygments >= 1.6
 Requires:	python-pillow >= 2.4.0
+Requires: python-dateutil >=2.2
 Requires:	python-docutils >= 0.12
 Requires:	python-mako >= 1.0.0
 Requires:	python-unidecode >= 0.04.16
@@ -115,7 +116,7 @@ website and blog generator in python.
 %prep
 %setup -qn nikola-%{version}
 find . -empty -exec rm {} \;
-sed -i -e 's/^setuptools>=*/setuptools/' requirements.txt
+sed -i -e 's/^setuptools>=5.4.1/setuptools/' requirements.txt
 
 %build
 %if 0%{?with_python3}