diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5b96414..5c473b7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # CHANGELOG
 
+## v0.5.0 (1/28/2017)
+
+* Breaking refactor to use automatic PKCS#7 padding on secrets w/ 16 byte block size.
+* Update Copyright year
+* Ruby 2.4.0 testing
+* Update version of sysrandom gem
+* Fixed minitest spec warning
+
 ## v0.4.2 (10/12/2016)
 
 * Sign the gem with a new cert that expires in 10 years.
diff --git a/lib/tss/version.rb b/lib/tss/version.rb
index da0af05..6527038 100644
--- a/lib/tss/version.rb
+++ b/lib/tss/version.rb
@@ -1,3 +1,3 @@
 module TSS
-  VERSION = '0.4.2'.freeze
+  VERSION = '0.5.0'.freeze
 end