diff --git a/HISTORY.md b/HISTORY.md
index 4c5234e8..da82613b 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,5 +1,13 @@
 # Resque Scheduler History / ChangeLog / Release Notes
 
+## 4.2.1 (2016-06-08)
+* Optimization of `find_delayed_selection`
+* More defensive code around redis disconnects
+* Only trap existing signals on given platform
+* RuboCop auto-fixes
+* Dependency updates
+* Docs improvements
+
 ## 4.2.0 (2016-04-29)
 * Bugfix for a race condition in concurrent restarts
 * Clean up and simplify the scheduling extension
diff --git a/lib/resque/scheduler/version.rb b/lib/resque/scheduler/version.rb
index f4a204a1..7e70f8b6 100644
--- a/lib/resque/scheduler/version.rb
+++ b/lib/resque/scheduler/version.rb
@@ -2,6 +2,6 @@
 
 module Resque
   module Scheduler
-    VERSION = '4.2.0'.freeze
+    VERSION = '4.2.1'.freeze
   end
 end