diff --git a/rubygem-rack.spec b/rubygem-rack.spec
index c003179..814f1cc 100644
--- a/rubygem-rack.spec
+++ b/rubygem-rack.spec
@@ -4,7 +4,7 @@ Name: rubygem-%{gem_name}
 Version: 2.2.3
 # Introduce Epoch (related to bug 552972)
 Epoch:  1
-Release: 3%{?dist}
+Release: 4%{?dist}
 Summary: A modular Ruby webserver interface
 # lib/rack/show_{status,exceptions}.rb contains snippets from Django under BSD license.
 License: MIT and BSD
@@ -120,6 +120,9 @@ popd
 %doc %{gem_instdir}/contrib
 
 %changelog
+* Fri Jan  8 2021 Pavel Valena <pvalena@redhat.com> - 1:2.2.3-4
+- Fix FTBFS due to WEBrick removed from Ruby 3.0.
+
 * Wed Oct 21 2020 Vít Ondruch <vondruch@redhat.com> - 1:2.2.3-3
 - Re-enable test suite.
 - Remove rubygem(thin) dependency for good.