diff --git a/rubygem-cairo.spec b/rubygem-cairo.spec
index c41d303..93bf945 100644
--- a/rubygem-cairo.spec
+++ b/rubygem-cairo.spec
@@ -12,7 +12,7 @@
 Summary:	Ruby bindings for cairo
 Name:		rubygem-%{gem_name}
 Version:	%{gemver}
-Release:	3%{?dist}
+Release:	4%{?dist}
 License:	GPLv2 or Ruby
 URL:		http://cairographics.org/rcairo/
 %if 1
@@ -47,7 +47,8 @@ BuildRequires:	rubygem(test-unit)
 BuildRequires:	rubygem(test-unit-notify)
 BuildRequires:	rubygem(pkg-config)
 BuildRequires:	rubygem(native-package-installer)
-%if 0
+# Circular dependency
+%if 1
 BuildRequires:	rubygem(poppler)
 # Make sure at least one font is available for test/test_context.rb:57
 # `initialize': out of memory (NoMemoryError)
@@ -166,7 +167,6 @@ rm -f ./TMPINSTDIR/%{gem_instdir}/{Makefile*,extconf.rb}
 cp -a ./TMPINSTDIR/* %{buildroot}/
 
 %check
-exit 0
 %if 0%{?fedora} >= 21
 export RUBYLIB=$(pwd)/TMPINSTDIR/%{gem_instdir}:$(pwd)/TMPINSTDIR/%{gem_extdir_mri}/
 %else
@@ -224,6 +224,9 @@ ruby ./test/run-test.rb
 %{header_dir}/rb_cairo.h
 
 %changelog
+* Fri Jan 17 2020 Mamoru TASAKA <mtasaka@fedoraproject.org> - 1.16.4-4
+- Enable tests again
+
 * Fri Jan 17 2020 Mamoru TASAKA <mtasaka@fedoraproject.org> - 1.16.4-3
 - F-32: rebuild against ruby27
 - Once disable tests for circular dependency