diff --git a/rubygem-activerecord-5.1.1-Fix-MigratorTest-test_migrator_verbosity.patch b/rubygem-activerecord-5.1.1-Fix-MigratorTest-test_migrator_verbosity.patch
deleted file mode 100644
index b6e26f2..0000000
--- a/rubygem-activerecord-5.1.1-Fix-MigratorTest-test_migrator_verbosity.patch
+++ /dev/null
@@ -1,33 +0,0 @@
-From 09c5236e5b620766c0be14fa4b76a3186215a7b1 Mon Sep 17 00:00:00 2001
-From: bogdanvlviv <bogdanvlviv@gmail.com>
-Date: Wed, 26 Apr 2017 01:01:53 +0300
-Subject: [PATCH] Fix MigratorTest#test_migrator_verbosity
-
-Add `ActiveRecord::Migration.verbose = true`
-to be sure that verbose is turned on in the test.
-
-Related to #28865
----
- activerecord/test/cases/migrator_test.rb | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/activerecord/test/cases/migrator_test.rb b/activerecord/test/cases/migrator_test.rb
-index aadbc375af45..2e4b454a86ed 100644
---- a/activerecord/test/cases/migrator_test.rb
-+++ b/activerecord/test/cases/migrator_test.rb
-@@ -299,6 +299,7 @@ def test_migrator_double_down
-   def test_migrator_verbosity
-     _, migrations = sensors(3)
- 
-+    ActiveRecord::Migration.verbose = true
-     ActiveRecord::Migrator.new(:up, migrations, 1).migrate
-     assert_not_equal 0, ActiveRecord::Migration.message_count
- 
-@@ -311,7 +312,6 @@ def test_migrator_verbosity
-   def test_migrator_verbosity_off
-     _, migrations = sensors(3)
- 
--    ActiveRecord::Migration.message_count = 0
-     ActiveRecord::Migration.verbose = false
-     ActiveRecord::Migrator.new(:up, migrations, 1).migrate
-     assert_equal 0, ActiveRecord::Migration.message_count
diff --git a/rubygem-activerecord.spec b/rubygem-activerecord.spec
index 162f8c6..bbd3511 100644
--- a/rubygem-activerecord.spec
+++ b/rubygem-activerecord.spec
@@ -3,22 +3,17 @@
 
 Name: rubygem-%{gem_name}
 Epoch: 1
-Version: 5.1.5
+Version: 5.2.0
 Release: 1%{?dist}
 Summary: Object-relational mapper framework (part of Rails)
-Group: Development/Languages
 License: MIT
 URL: http://rubyonrails.org
 Source0: https://rubygems.org/gems/%{gem_name}-%{version}.gem
 # git clone http://github.com/rails/rails.git
 # cd rails/activerecord/
-# git checkout v5.1.5 && tar czvf activerecord-5.1.5-tests.tgz test/
+# git checkout v5.2.0 && tar czvf activerecord-5.2.0-tests.tgz test/
 Source1: activerecord-%{version}-tests.tgz
 
-# Fix MigratorTest#test_migrator_verbosity
-# https://github.com/rails/rails/commit/09c5236e5b620766c0be14fa4b76a3186215a7b1
-Patch0: rubygem-activerecord-5.1.1-Fix-MigratorTest-test_migrator_verbosity.patch
-
 # Database dump/load reuires the executable.
 Suggests: %{_bindir}/sqlite3
 BuildRequires: rubygems-devel
@@ -29,8 +24,7 @@ BuildRequires: rubygem(builder)
 BuildRequires: rubygem(sqlite3)
 BuildRequires: rubygem(erubis)
 BuildRequires: rubygem(mocha)
-BuildRequires: rubygem(arel) >= 8.0.0
-BuildRequires: rubygem(arel) < 9.0.0
+BuildRequires: rubygem(arel)
 BuildRequires: rubygem(rack)
 BuildRequires: %{_bindir}/sqlite3
 BuildArch: noarch
@@ -43,7 +37,6 @@ manual SQL.
 
 %package doc
 Summary: Documentation for %{name}
-Group: Documentation
 Requires: %{name} = %{epoch}:%{version}-%{release}
 BuildArch: noarch
 
@@ -71,8 +64,6 @@ pushd .%{gem_instdir}
 
 tar xzvf %{SOURCE1}
 
-cat %{PATCH0} | patch -p2 -F 0
-
 # Disable unstable tests.
 # https://github.com/rails/rails/issues/25774
 sed -i '/^  def test_preconfigured_includes_with_has_many_and_habtm$/,/^  end$/ s/^/#/' \
@@ -122,6 +113,9 @@ popd
 %{gem_instdir}/examples
 
 %changelog
+* Mon Apr 23 2018 Pavel Valena <pvalena@redhat.com> - 1:5.2.0-1
+- Update to Active Record 5.2.0.
+
 * Fri Feb 16 2018 Pavel Valena <pvalena@redhat.com> - 1:5.1.5-1
 - Update to Active Record 5.1.5.
 
diff --git a/sources b/sources
index 222975d..b8b803b 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (activerecord-5.1.5.gem) = 2b29a4f6bd419d49978bac6a01cd772633e40f89aeb9a32bbf2673ebd147b29fe7f602dd5470168b8e45cb588707addfef8b584cf598b8c965105fc8f7c974f4
-SHA512 (activerecord-5.1.5-tests.tgz) = bf44318029fdab216e90ef97f28cd869f7be8e6ff7321a6a48d713c7b82fe0e7a683c5d99ba4975f542588be0e2167a9fd104e1a4ea2831901c740dfedb79d14
+SHA512 (activerecord-5.2.0-tests.tgz) = 4a21e88abe7b3b4e3dbe04099fa43a7ee5734aa78e9af2a6c4546df16f9ed102589bc1ddeb3a40196525d18b83fac6f6a284946ff793d1baff96626c8e89b268
+SHA512 (activerecord-5.2.0.gem) = 4ead58dbf123becf56c4e2f3b7cfc2656bd0c8e150e1d229eac061781f83f4026b5dc262bc8aa9a420c99584ff8d84a84237d779f264349e0f1f21ed70ef8fbf