diff --git a/libvoikko.changes b/libvoikko.changes
index 005df6e..bbc36e3 100644
--- a/libvoikko.changes
+++ b/libvoikko.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Sat Jan  4 18:40:34 UTC 2020 - Stefan Brüns <stefan.bruens@rwth-aachen.de>
+
+- Drop explicit requires for full python3 package, python3-base
+  pulled in by python3-xml is sufficient.
+- Require minimum version for pkgconfig(hfstospell), >= 0.5
+
 -------------------------------------------------------------------
 Thu Oct 31 11:32:09 UTC 2019 - Timo Jyrinki <tjyrinki@suse.com>
 
diff --git a/libvoikko.spec b/libvoikko.spec
index a460bb0..92a9c69 100644
--- a/libvoikko.spec
+++ b/libvoikko.spec
@@ -30,9 +30,8 @@ Source99:       baselibs.conf
 BuildRequires:  gcc-c++
 BuildRequires:  glib2-devel
 BuildRequires:  pkgconfig
-BuildRequires:  python3
 BuildRequires:  python3-xml
-BuildRequires:  pkgconfig(hfstospell)
+BuildRequires:  pkgconfig(hfstospell) >= 0.5
 
 %description
 Libvoikko is a library of free natural language processing tools. It