diff --git a/rubygem-rspec-mocks.spec b/rubygem-rspec-mocks.spec
index 33c8e87..e2ab67a 100644
--- a/rubygem-rspec-mocks.spec
+++ b/rubygem-rspec-mocks.spec
@@ -3,16 +3,18 @@
 %global	rpmminorver	.%(echo %preminorver | sed -e 's|^\\.\\.*||')
 %global	fullver	%{majorver}%{?preminorver}
 
-%global	fedorarel	1
+%global	fedorarel	2
 
 %global	gem_name	rspec-mocks
 
 %global	need_bootstrap_set	0
 
+%undefine __brp_mangle_shebangs
+
 Summary:	RSpec's 'test double' framework (mocks and stubs)
 Name:		rubygem-%{gem_name}
 Version:	%{majorver}
-Release:	%{?preminorver:0.}%{fedorarel}%{?preminorver:%{rpmminorver}}%{?dist}.1
+Release:	%{?preminorver:0.}%{fedorarel}%{?preminorver:%{rpmminorver}}%{?dist}
 
 Group:		Development/Languages
 License:	MIT
@@ -67,7 +69,7 @@ rm -f %{buildroot}%{gem_instdir}/{.document,.yardopts}
 %check
 # library_wide_checks.rb needs UTF-8
 LANG=en_US.utf8
-ruby -rubygems -Ilib/ -S rspec spec/
+ruby -rrubygems -Ilib/ -S rspec spec/
 %endif
 
 %files
@@ -86,6 +88,9 @@ ruby -rubygems -Ilib/ -S rspec spec/
 %{gem_docdir}
 
 %changelog
+* Tue Feb 13 2018 Mamoru TASAKA <mtasaka@fedoraproject.org> - 3.7.1-2
+- ruby 2.5 drops -rubygems usage
+
 * Fri Feb 09 2018 Fedora Release Engineering <releng@fedoraproject.org> - 3.7.0-1.1
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild