diff --git a/rubygem-rspec-support.spec b/rubygem-rspec-support.spec
index d449b21..b68ba45 100644
--- a/rubygem-rspec-support.spec
+++ b/rubygem-rspec-support.spec
@@ -12,14 +12,14 @@
 
 Name:		rubygem-%{gem_name}
 Version:	%{mainver}
-Release:	%{?prever:0.}%{mainrel}%{?prever:.%{prerpmver}}%{?dist}.1
+Release:	%{?prever:0.}%{mainrel}%{?prever:.%{prerpmver}}%{?dist}.2
 
 Summary:	Common functionality to Rspec series
 Group:		Development/Languages
 License:	MIT
 URL:		https://github.com/rspec/rspec-support
 Source0:	https://rubygems.org/gems/%{gem_name}-%{mainver}%{?prever}.gem
-# %%{SOURCE2} %%{name} %%{version} 
+# %%{SOURCE2} %%{name} %%{version}
 Source1:	rubygem-%{gem_name}-%{version}-full.tar.gz
 Source2:	rspec-related-create-full-tarball.sh
 # tweak regex for search path
@@ -70,7 +70,7 @@ cp -pa .%{gem_dir}/* \
 
 %if 0%{?need_bootstrap_set} < 1
 %check
-LANG=en_US.UTF-8
+LANG=C.UTF-8
 
 # Test failure needs investigation...
 FAILFILE=()
@@ -104,6 +104,10 @@ ruby -rrubygems -Ilib/ -S rspec spec/ || \
 %doc	%{gem_docdir}
 
 %changelog
+* Sun Nov 18 2018 Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> - 3.7.1-1.2
+- Use C.UTF-8 locale
+  See https://fedoraproject.org/wiki/Changes/Remove_glibc-langpacks-all_from_buildroot
+
 * Sat Jul 14 2018 Fedora Release Engineering <releng@fedoraproject.org> - 3.7.1-1.1
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild