diff --git a/lib/rack/session/version.rb b/lib/rack/session/version.rb
index 60f11ce..eadf093 100644
--- a/lib/rack/session/version.rb
+++ b/lib/rack/session/version.rb
@@ -5,6 +5,6 @@
 
 module Rack
   module Session
-    VERSION = "2.0.0"
+    VERSION = "2.1.0"
   end
 end
diff --git a/releases.md b/releases.md
index eb646c4..d29c5c3 100644
--- a/releases.md
+++ b/releases.md
@@ -1,6 +1,6 @@
 # Releases
 
-## Unreleased
+## v2.1.0
 
   - Improved compatibility with Ruby 3.3+ and Rack 3+.
   - Add support for cookie option `partitioned`.