diff --git a/History.md b/History.md
index 6ce5e8e644..76a504b819 100644
--- a/History.md
+++ b/History.md
@@ -1,5 +1,18 @@
 # History of Sufia releases
 
+## 6.6.0
+* Update background workers doc [E. Lynette Rayle]
+* Replaces table rows with an unordered list to make html valid, fixes #1058 [Adam Wead]
+* Fix duplicative labels on show pages [Adam Wead]
+* Add default metadata help for collection fixes #1057 [Adam Wead]
+* Pin Sufia 6 to hydra-head 9.5 [Adam Wead]
+* Updating to Rubocop 0.36 [Adam Wead]
+* Reindex generic_files in background from batch_update_job [E. Lynette Rayle]
+* Include the name of the file if it fails to upload [Adam Wead]
+* Fix intermittent failure to add file to collection [E. Lynette Rayle]
+* Don't generate auto_link on a non-url rights statement, fixes projecthydra/sufia#1356 [Anna Headley]
+* Use lockable module to prevent race conditions in Batches. [Michael J. Giarlo]
+
 ## 6.5.0
 * Remove unnecessary require [Justin Coyne]
 * Option to show collection facet in Dashboard and search results [E. Lynette Rayle]
diff --git a/SUFIA_VERSION b/SUFIA_VERSION
index f22d756da3..826f5ce030 100644
--- a/SUFIA_VERSION
+++ b/SUFIA_VERSION
@@ -1 +1 @@
-6.5.0
+6.6.0
diff --git a/lib/sufia/version.rb b/lib/sufia/version.rb
index 562cc49d13..af1ed7abe4 100644
--- a/lib/sufia/version.rb
+++ b/lib/sufia/version.rb
@@ -1,3 +1,3 @@
 module Sufia
-  VERSION = "6.5.0".freeze
+  VERSION = "6.6.0".freeze
 end
diff --git a/sufia-models/lib/sufia/models/version.rb b/sufia-models/lib/sufia/models/version.rb
index 92c1c35197..9b0574a682 100644
--- a/sufia-models/lib/sufia/models/version.rb
+++ b/sufia-models/lib/sufia/models/version.rb
@@ -1,5 +1,5 @@
 module Sufia
   module Models
-    VERSION = "6.5.0".freeze
+    VERSION = "6.6.0".freeze
   end
 end