diff --git a/libvoikko.spec b/libvoikko.spec
index 4953e2a..4065d64 100644
--- a/libvoikko.spec
+++ b/libvoikko.spec
@@ -4,7 +4,7 @@
 
 Name:           libvoikko
 Version:        3.8
-Release:        8%{?dist}
+Release:        9%{?dist}
 Summary:        Voikko is a library for spellcheckers and hyphenators
 
 Group:          System Environment/Libraries
@@ -15,6 +15,7 @@ Source0:        http://www.puimula.org/voikko-sources/%{name}/%{name}-%{version}
 # The usual format of test release URLs
 #Source0:        http://www.puimula.org/htp/testing/%%{name}-%%{version}rc1.tar.gz
 
+BuildRequires:  python3-devel
 %if 0%{?with_python2}
 BuildRequires:  python2-devel
 %endif
@@ -122,6 +123,10 @@ install -pm 0644 python/libvoikko.py $RPM_BUILD_ROOT%{python_sitelib}/
 %endif
 
 %changelog
+* Wed May 23 2018 Mike FABIAN <mfabian@redhat.com> - 3.8-9
+- Add python3-devel to BuildRequires.
+- Resolves: rhbz#1580782
+
 * Thu Apr 19 2018 Mike FABIAN <mfabian@redhat.com> - 3.8-8
 - Build Python 2 subpackage only for Fedora
 - Resolves: rhbz#1566121