diff --git a/.gitignore b/.gitignore
index 392f3f8..c5a1764 100644
--- a/.gitignore
+++ b/.gitignore
@@ -26,3 +26,5 @@
 /rspec-rails-3.8.2.gem
 /rspec-rails-3.9.0.gem
 /rspec-rails-3.9.0-tests.tar.gz
+/rspec-rails-4.0.1-tests.tar.gz
+/rspec-rails-4.0.1.gem
diff --git a/rubygem-rspec-rails.spec b/rubygem-rspec-rails.spec
index 18abd44..9a4fc77 100644
--- a/rubygem-rspec-rails.spec
+++ b/rubygem-rspec-rails.spec
@@ -5,14 +5,14 @@
 %bcond_with bootstrap
 
 Name: rubygem-%{gem_name}
-Version: 3.9.0
-Release: 4%{?dist}
+Version: 4.0.1
+Release: 1%{?dist}
 Summary: RSpec for Rails
 License: MIT
 URL: https://github.com/rspec/rspec-rails
 Source0: https://rubygems.org/gems/%{gem_name}-%{version}.gem
 # git clone https://github.com/rspec/rspec-rails.git && cd rspec-rails
-# git archive -v -o rspec-rails-3.9.0-tests.tar.gz v3.9.0 features/ spec/
+# git archive -v -o rspec-rails-4.0.1-tests.tar.gz v4.0.1 features/ spec/
 Source1: %{gem_name}-%{version}-tests.tar.gz
 BuildRequires: ruby(release)
 BuildRequires: rubygems-devel
@@ -20,6 +20,8 @@ BuildRequires: ruby
 %if %{without bootstrap}
 #BuildRequires: rubygem(cucumber)
 BuildRequires: rubygem(actionmailer)
+# Requires ActionCable 6+.
+#BuildRequires: rubygem(actioncable)
 BuildRequires: rubygem(activerecord)
 BuildRequires: rubygem(ammeter)
 BuildRequires: rubygem(bundler)
@@ -31,7 +33,7 @@ BuildRequires: rubygem(sqlite3)
 BuildArch: noarch
 
 %description
-rspec-rails is a testing framework for Rails 3+.
+rspec-rails is a testing framework for Rails 5+.
 
 
 %package doc
@@ -97,8 +99,12 @@ popd
 %doc %{gem_instdir}/Changelog.md
 %doc %{gem_instdir}/README.md
 
-
 %changelog
+* Wed Aug 12 2020 Vít Ondruch <vondruch@redhat.com> - 4.0.1-1
+- Update to rspec-rails 4.0.1.
+  Resolves: rhbz#1812268
+  Resolves: rhbz#1863732
+
 * Sat Aug 01 2020 Fedora Release Engineering <releng@fedoraproject.org> - 3.9.0-4
 - Second attempt - Rebuilt for
   https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
diff --git a/sources b/sources
index 1093738..55809f3 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (rspec-rails-3.9.0.gem) = 77bc0c5fd077d9a7aa43056c713d637724e0a63a263a5348576c38d54f5eb9f8bc0acc2497cf2eab06a991186fd5ccd388e69332b9df8807a3107e90d8e161d1
-SHA512 (rspec-rails-3.9.0-tests.tar.gz) = 2004e3f27ed2f2595bf615ea56934ee5f297750b1f98621e7f990f5b3b8d4f73bfacef55c0fe77802b59d6a61101ed2ae8caeb890e5f0abfdd900407fee0a35f
+SHA512 (rspec-rails-4.0.1-tests.tar.gz) = a5ce9528ce20437c6a8d2a6e1d1b3487bd5939af70d85bc812f9c207537746a99dc6a52b138ee2826751f06cd2035a5338018ac36ff55f57bf34f77eb42cf860
+SHA512 (rspec-rails-4.0.1.gem) = 9490e513304085ff1d7be8458ac9f0ba1019333baf0ea7609469cb9080c6e50a5779eae32f6eacbd8231c0255dc705210b3c839121a7e159f965ba0fb3f4a2e6