diff --git a/rubygem-actionpack.spec b/rubygem-actionpack.spec
index 1a11f91..20c0d85 100644
--- a/rubygem-actionpack.spec
+++ b/rubygem-actionpack.spec
@@ -3,11 +3,12 @@
 
 # Circular dependency with rubygem-railties.
 %{?_with_bootstrap: %global bootstrap 1}
+%global bootstrap 1
 
 Name: rubygem-%{gem_name}
 Epoch: 1
-Version: 5.1.5
-Release: 2%{?dist}
+Version: 5.2.0
+Release: 1%{?dist}
 Summary: Web-flow and rendering framework putting the VC in MVC (part of Rails)
 Group: Development/Languages
 License: MIT
@@ -18,7 +19,7 @@ Source0: https://rubygems.org/gems/%{gem_name}-%{version}.gem
 # You may check it out like so
 # git clone http://github.com/rails/rails.git
 # cd rails/actionpack/
-# git checkout v5.1.5 && tar czvf actionpack-5.1.5-tests.tgz test/
+# git checkout v5.2.0 && tar czvf actionpack-5.2.0-tests.tgz test/
 Source1: actionpack-%{version}-tests.tgz
 
 # Let's keep Requires and BuildRequires sorted alphabeticaly
@@ -90,6 +91,9 @@ popd
 %doc %{gem_instdir}/README.rdoc
 
 %changelog
+* Mon Apr 23 2018 Pavel Valena <pvalena@redhat.com> - 1:5.2.0-1
+- Update to Action Pack 5.2.0.
+
 * Mon Feb 19 2018 Pavel Valena <pvalena@redhat.com> - 1:5.1.5-2
 - Enable tests.
 
diff --git a/sources b/sources
index 9a3afc9..6c4e560 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (actionpack-5.1.5-tests.tgz) = e3875a6f71390b26def7aaeb663dac2ea72b83f140635f63410566a73f9006e32a2fe8b56f03a7bf449a9c38c2a1eea00a956fd43a0779fa74d7eabe53c0723c
-SHA512 (actionpack-5.1.5.gem) = 29ab83346c422a4baea2f12cac49ffdd995a4a65dc6622cc3bf4c1e02b1120421628363d1e63a1ec487a28d32ca3427b534eea0348642a51ef85f7cfcddee566
+SHA512 (actionpack-5.2.0-tests.tgz) = fdfb840750c38c39e648e389b515baaa066483cff14648ff92abdb114eacbb006afcba08e445940dc9531b8c0f8898edbd7a446e919295ac370ed6d641b19ff7
+SHA512 (actionpack-5.2.0.gem) = ec6f1c4e6f72d0db10bd52582dd56f490d7869bd03389dfcbe036f1ffa1225933f00a109fe8a9f224727764f7a383ce7f5bd1b5c818dd31c00557e6de1e0182b