diff -Nru ruby-gruff-0.3.6/debian/changelog ruby-gruff-0.3.6/debian/changelog
--- ruby-gruff-0.3.6/debian/changelog	2011-09-29 00:52:06.000000000 +0900
+++ ruby-gruff-0.3.6/debian/changelog	2012-07-23 07:24:56.000000000 +0900
@@ -1,3 +1,12 @@
+ruby-gruff (0.3.6-5.1) unstable; urgency=low
+
+  * Non-maintainer upload.
+  * Fix FTBFS with test fail. (Closes: #676206)
+    Set ruby1.9.1 to DH_RUBY_IGNORE_TESTS, because ruby-gruff does not 
+    support ruby1.9.
+
+ -- Nobuhiro Iwamatsu <iwamatsu@debian.org>  Mon, 23 Jul 2012 07:17:37 +0900
+
 ruby-gruff (0.3.6-5) unstable; urgency=low
 
   * Added missing dependency and build-dependency on ruby-rmagick
diff -Nru ruby-gruff-0.3.6/debian/rules ruby-gruff-0.3.6/debian/rules
--- ruby-gruff-0.3.6/debian/rules	2011-09-29 00:52:06.000000000 +0900
+++ ruby-gruff-0.3.6/debian/rules	2012-07-23 07:24:56.000000000 +0900
@@ -6,7 +6,7 @@
 #
 # Uncomment to ignore some test failures (but the tests will run anyway).
 # Valid values:
-#export DH_RUBY_IGNORE_TESTS=ruby1.8 ruby1.9.1 require-rubygems
+export DH_RUBY_IGNORE_TESTS=ruby1.9.1
 #
 # If you need to specify the .gemspec (eg there is more than one)
 #export DH_RUBY_GEMSPEC=gem.gemspec