diff --git a/rubygem-xmlparser.spec b/rubygem-xmlparser.spec
index 065a8c9..267f7e1 100644
--- a/rubygem-xmlparser.spec
+++ b/rubygem-xmlparser.spec
@@ -3,7 +3,7 @@
 Summary: Ruby bindings to the Expat XML parsing library
 Name: rubygem-%{gem_name}
 Version: 0.7.2.1
-Release: 19%{?dist}
+Release: 20%{?dist}
 Group: Development/Languages
 # src/lib/xml/xpath.rb is GPLv2+
 # src/ext/encoding.h and the functions of encoding map are GPLv2+ or Artistic
@@ -65,6 +65,9 @@ cp -a ./%{gem_extdir_mri}/{gem.build_complete,*.so} %{buildroot}%{gem_extdir_mri
 %{gem_spec}
 
 %changelog
+* Sat Jan 20 2018 Björn Esser <besser82@fedoraproject.org> - 0.7.2.1-20
+- Rebuilt for switch to libxcrypt
+
 * Thu Jan 04 2018 Mamoru TASAKA <mtasaka@fedoraproject.org> - 0.7.2.1-19
 - F-28: rebuild for ruby25