diff --git a/.gitignore b/.gitignore
index db0af89..17b0322 100644
--- a/.gitignore
+++ b/.gitignore
@@ -35,3 +35,5 @@ activesupport-2.3.8.gem
 /activesupport-4.0.2.gem
 /activesupport-4.0.3-tests.tgz
 /activesupport-4.0.3.gem
+/activesupport-4.1.0-tests.tgz
+/activesupport-4.1.0.gem
diff --git a/rubygem-activesupport.spec b/rubygem-activesupport.spec
index 7ce523b..640892e 100644
--- a/rubygem-activesupport.spec
+++ b/rubygem-activesupport.spec
@@ -3,7 +3,7 @@
 Summary: Support and utility classes used by the Rails framework
 Name: rubygem-%{gem_name}
 Epoch: 1
-Version: 4.0.3
+Version: 4.1.0
 Release: 1%{?dist}
 Group: Development/Languages
 License: MIT
@@ -39,30 +39,26 @@ Requires: ruby(release)
 # Let's keep Requires and BuildRequires sorted alphabeticaly
 Requires: rubygem(bigdecimal)
 Requires: rubygem(dalli)
-Requires: rubygem(i18n) >= 0.6
+Requires: rubygem(i18n) >= 0.6.9
 Requires: rubygem(i18n) < 1.0
-Requires: rubygem(minitest) >= 4.2
-Requires: rubygem(minitest) < 5
-Requires: rubygem(multi_json) >= 1.0
-Requires: rubygem(multi_json) < 2
+Requires: rubygem(minitest) >= 5.1
+Requires: rubygem(minitest) < 6
 Requires: rubygem(rack)
 Requires: rubygem(thread_safe)
-Requires: rubygem(tzinfo) >= 0.3.37
-Requires: rubygem(tzinfo) < 0.4.0
+Requires: rubygem(tzinfo) >= 1.1
+Requires: rubygem(tzinfo) < 2.0
 BuildRequires: rubygems-devel
 BuildRequires: rubygem(bigdecimal)
 BuildRequires: rubygem(builder)
 BuildRequires: rubygem(dalli)
-BuildRequires: rubygem(i18n) >= 0.6
+BuildRequires: rubygem(i18n) >= 0.6.9
 BuildRequires: rubygem(i18n) < 1.0
 BuildRequires: rubygem(minitest)
 BuildRequires: rubygem(mocha)
-BuildRequires: rubygem(multi_json) >= 1.0
-BuildRequires: rubygem(multi_json) < 2
 BuildRequires: rubygem(rack)
 BuildRequires: rubygem(thread_safe)
-BuildRequires: rubygem(tzinfo) >= 0.3.37
-BuildRequires: rubygem(tzinfo) < 0.4.0
+BuildRequires: rubygem(tzinfo) >= 1.1
+BuildRequires: rubygem(tzinfo) < 2.0
 BuildArch: noarch
 Provides: rubygem(%{gem_name}) = %{version}
 
@@ -112,6 +108,9 @@ popd
 
 
 %changelog
+* Thu Apr 10 2014 Josef Stribny <jstribny@redhat.com> - 1:4.1.0-1
+- Update to ActiveSupport 4.1.0
+
 * Wed Feb 26 2014 Josef Stribny <jstribny@redhat.com> - 1:4.0.3-1
 - Update to ActiveSupport 4.0.3
 
diff --git a/sources b/sources
index 96e33e2..aafe078 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-29dbb97d80f7755e275ee5cc888a4d5b  activesupport-4.0.3-tests.tgz
-fd29b2f321281de1a36923e8fdb51ccc  activesupport-4.0.3.gem
+ea70fc8cf8517eae0b07ef9bea03a6ad  activesupport-4.1.0-tests.tgz
+3be9c94b8776b8e70a8fd4b59e31b1b1  activesupport-4.1.0.gem