diff --git a/.gitignore b/.gitignore
index 01fa636..16af237 100644
--- a/.gitignore
+++ b/.gitignore
@@ -23,3 +23,4 @@ nokogiri-1.4.3.1.gem
 /nokogiri-1.7.0.gem
 /nokogiri-1.7.0.1.gem
 /nokogiri-1.7.1.gem
+/nokogiri-1.7.2.gem
diff --git a/rubygem-nokogiri.spec b/rubygem-nokogiri.spec
index 84d6e38..131008a 100644
--- a/rubygem-nokogiri.spec
+++ b/rubygem-nokogiri.spec
@@ -3,7 +3,7 @@
 %global        ruby_sitearch           %(ruby -rrbconfig -e "puts Config::CONFIG['sitearchdir']")
 %endif
 
-%global	mainver		1.7.1
+%global	mainver		1.7.2
 #%%global	prever		.rc3
 
 %global	mainrel		1
@@ -35,7 +35,7 @@
 Summary:	An HTML, XML, SAX, and Reader parser
 Name:		rubygem-%{gemname}
 Version:	%{mainver}
-Release:	%{?prever:0.}%{mainrel}%{?prever:.%{prerpmver}}%{?dist}.1
+Release:	%{?prever:0.}%{mainrel}%{?prever:.%{prerpmver}}%{?dist}
 Group:		Development/Languages
 License:	MIT
 URL:		http://nokogiri.rubyforge.org/nokogiri/
@@ -266,6 +266,9 @@ popd
 %{gemdir}/doc/%{gemname}-%{mainver}%{?prever}/
 
 %changelog
+* Fri May 12 2017 Mamoru TASAKA <mtasaka@fedoraproject.org> - 1.7.2-1
+- 1.7.2
+
 * Tue Mar 21 2017 Mamoru TASAKA <mtasaka@fedoraproject.org> - 1.7.1-1
 - 1.7.1
 
diff --git a/sources b/sources
index 4436fd9..ea4a590 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (nokogiri-1.7.1.gem) = 86ae6d09d6daf0be2d6b46c4a5c8ebe6e9c00e7a4dfe86a2d1c7972726696a87d89e95fa390697a9cb3bae5f7d419c9a4f6d70b1a02c47ab0119bb14bc67efb3
+SHA512 (nokogiri-1.7.2.gem) = e688940340ff87001de79aecc2d971f0d23206f2eb05439eef3809ff6aec6c678c9b3eec28b1cdbe34e9e90bd9e19e9bee3f9c8afabb2c1d079d15b6fda74ddb