diff --git a/CHANGELOG.md b/CHANGELOG.md
index ff9f281..3e9b67e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,6 @@
-# Unreleased
+# 2.1.1 (April 14, 2017)
 
+* Fix serialize Ruby Time to Tod::TimeOfDay (Ryan Dick)
 * Fix TimeOfDay.from_second_of_day when passed float (Jack Christensen)
 * Fix Rails 5 multi-param assignment (Miklos Fazekas)
 
diff --git a/Gemfile.lock b/Gemfile.lock
index e28de17..053d20f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    tod (2.1.0)
+    tod (2.1.1)
 
 GEM
   remote: https://rubygems.org/
diff --git a/lib/tod/version.rb b/lib/tod/version.rb
index 4e68500..7206c50 100644
--- a/lib/tod/version.rb
+++ b/lib/tod/version.rb
@@ -1,3 +1,3 @@
 module Tod
-  VERSION = "2.1.0"
+  VERSION = "2.1.1"
 end