diff --git a/Changes.md b/Changes.md
index eead4536..7be9bc44 100644
--- a/Changes.md
+++ b/Changes.md
@@ -1,3 +1,14 @@
+1.0.0
+-----------
+
+Thanks to all Sidekiq users and contributors for helping me
+get to this big milestone!
+
+- Default concurrency on client-side to 5, not 25 so we don't
+  create as many unused Redis connections, same as ActiveRecord's
+  default pool size.
+- Ensure redis= is given a Hash or ConnectionPool.
+
 0.11.2
 -----------
 
diff --git a/lib/sidekiq/version.rb b/lib/sidekiq/version.rb
index bebd9bd4..3b286f8c 100644
--- a/lib/sidekiq/version.rb
+++ b/lib/sidekiq/version.rb
@@ -1,3 +1,3 @@
 module Sidekiq
-  VERSION = "0.11.2"
+  VERSION = "1.0.0"
 end