diff --git a/.gitignore b/.gitignore
index 4c17037..78ec76f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -75,3 +75,5 @@ activesupport-2.3.8.gem
 /activesupport-5.1.2.gem
 /activesupport-5.1.3-tests.tgz
 /activesupport-5.1.3.gem
+/activesupport-5.1.4-tests.tgz
+/activesupport-5.1.4.gem
diff --git a/rubygem-activesupport.spec b/rubygem-activesupport.spec
index 5912bf8..9037c7d 100644
--- a/rubygem-activesupport.spec
+++ b/rubygem-activesupport.spec
@@ -2,8 +2,8 @@
 
 Name: rubygem-%{gem_name}
 Epoch: 1
-Version: 5.1.3
-Release: 2%{?dist}
+Version: 5.1.4
+Release: 1%{?dist}
 Summary: A support libraries and Ruby core extensions extracted from the Rails framework
 Group: Development/Languages
 License: MIT
@@ -14,7 +14,7 @@ Source0: https://rubygems.org/gems/%{gem_name}-%{version}.gem
 # Rails rpms, you may check it out like so
 # git clone http://github.com/rails/rails.git
 # cd rails/activesupport/
-# git checkout v5.1.3 && tar czvf activesupport-5.1.3-tests.tgz test/
+# git checkout v5.1.4 && tar czvf activesupport-5.1.4-tests.tgz test/
 Source1: %{gem_name}-%{version}-tests.tgz
 
 # ruby package has just soft dependency on rubygem({bigdecimal,json}), while
@@ -100,6 +100,9 @@ popd
 %doc %{gem_instdir}/README.rdoc
 
 %changelog
+* Mon Sep 11 2017 Pavel Valena <pvalena@redhat.com> - 1:5.1.4-1
+- Update to Active Support 5.1.4.
+
 * Tue Aug 22 2017 Vít Ondruch <vondruch@redhat.com> - 1:5.1.3-2
 - Explicitly require rubygem(json).
 - Once again disable unstable test.
diff --git a/sources b/sources
index abb4a66..48041b0 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (activesupport-5.1.3-tests.tgz) = 84d1e41a39c88fe3b66aff9bf27a22cc15c2c1418446440ea0baf90e712b86ac533f972e4a29a282c554f7150ca8a881ed7c48a307763674b2f19965e7f37b7a
-SHA512 (activesupport-5.1.3.gem) = c7e51664458fe1473f6a24bcce6ae8ae1f0a280462817d22626541fd5006183fa0c0d003479ccecf3d927c0688b480382709e484fd4b101f31f85673a94583b8
+SHA512 (activesupport-5.1.4-tests.tgz) = f89d9397d94e2db521ab46b2a8abce2130b4bcfebb9f143bb1338ef5899cf3d9b7f292c12f3c07c429ee5916ef5eae0145fe25289fa94562c1c27af855154e8b
+SHA512 (activesupport-5.1.4.gem) = 0da18df1bbf7648c12753844400ccc562ca8b1281e3f381c6f8e3b3d02d6ab313b549a3d90ca69fbf5a31da12ca3c188d1c6492815ef3b0611bb75c95d71cdd9