diff --git a/rubygem-aruba.spec b/rubygem-aruba.spec
index e33ef58..49d06f9 100644
--- a/rubygem-aruba.spec
+++ b/rubygem-aruba.spec
@@ -4,7 +4,7 @@
 Summary: CLI Steps for Cucumber, hand-crafted for you in Aruba
 Name: rubygem-%{gem_name}
 Version: 0.14.14
-Release: 5%{?dist}
+Release: 6%{?dist}
 # aruba itself is MIT
 # icons in templates/images are CC-BY
 # jquery.js itself is MIT or GPLv2
@@ -23,6 +23,7 @@ BuildRequires: rubygem(pry)
 BuildRequires: rubygem(rspec) >= 3
 BuildRequires: rubygem(contracts) >= 0.9
 BuildRequires: rubygem(thor) >= 0.19
+BuildRequires: rubygem(irb)
 # features/steps/command/shell.feature:97 # Scenario: Running python commands
 BuildRequires: /usr/bin/python3
 BuildArch: noarch
@@ -150,6 +151,9 @@ popd
 %{gem_instdir}/templates/
 
 %changelog
+* Tue Apr  6 2021 Mamoru TASAKA <mtasaka@fedoraproject.org> - 0.14.14-6
+- Add BR: rubygem(irb)
+
 * Mon Feb  1 2021 Mamoru TASAKA <mtasaka@fedoraproject.org> - 0.14.14-5
 - Disable cucumber test failing on ppc64le