diff --git a/CHANGELOG.md b/CHANGELOG.md
index 34b07be..1cab9be 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
-4.0.1.dev
-=========
+4.0.1 (2013-02-04)
+==================
+
+* Compatibility with Ruby 2.0, 2.1 and JRuby
 
 4.0.0 (2013-10-29)
 ==================
diff --git a/delayed_job_sequel.gemspec b/delayed_job_sequel.gemspec
index 975d178..de6e4cf 100644
--- a/delayed_job_sequel.gemspec
+++ b/delayed_job_sequel.gemspec
@@ -2,7 +2,7 @@
 
 Gem::Specification.new do |s|
   s.name              = "talentbox-delayed_job_sequel"
-  s.version           = "4.0.1.dev"
+  s.version           = "4.0.1"
   s.authors           = ["Jonathan Tron"]
   s.summary           = "Sequel backend for DelayedJob"
   s.description       = "Sequel backend for DelayedJob, originally authored by Tobias Luetke"