diff --git a/ruby.spec b/ruby.spec
index 53b3b80..f97b4a4 100644
--- a/ruby.spec
+++ b/ruby.spec
@@ -277,6 +277,7 @@ License:    GPLv2 and Ruby and MIT and SIL
 Requires:   %{?scl_prefix}ruby(release)
 Requires:   %{?scl_prefix}ruby(rubygems) >= %{rubygems_version}
 Requires:   %{?scl_prefix}ruby(irb) = %{irb_version}
+Requires:   %{?scl_prefix}rubygem(io-console) >= %{io_console_version}
 # Hardcode the dependency to keep it compatible with dependencies of the
 # official rubygem-rdoc gem.
 Requires:   %{?scl_prefix}rubygem(json) >= %{json_version}
@@ -1046,6 +1047,9 @@ make check TESTS="-v $DISABLE_TESTS"
 - Reshuffle the %%license macro to avoid %%postun scriptlet issues.
   Resolves: rhbz#1411233
 
+* Mon Jan 09 2017 Vít Ondruch <vondruch@redhat.com> - 2.4.0-72
+- Add rubygem-io-console dependency for rubygem-rdoc.
+
 * Mon Jan 02 2017 Vít Ondruch <vondruch@redhat.com> - 2.4.0-71
 - ruby-libs should not own links to unbundled gems.