diff --git a/CHANGELOG.md b/CHANGELOG.md
index 06048f86..3409b9b6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 2.2.4 / 2022-12-16
+
+* Allow CALLERS_TO_IGNORE to be overridden. Sets up compatibility with v3.
+
 ## 2.2.3 / 2022-11-25
 
 * Fix: Escape filename in the Content-Disposition header. [#1841](https://github.com/sinatra/sinatra/pull/1841) by Kunpei Sakai
diff --git a/VERSION b/VERSION
index 58594069..530cdd91 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.2.3
+2.2.4
diff --git a/lib/sinatra/version.rb b/lib/sinatra/version.rb
index d7b67c9d..936d04da 100644
--- a/lib/sinatra/version.rb
+++ b/lib/sinatra/version.rb
@@ -1,3 +1,3 @@
 module Sinatra
-  VERSION = '2.2.3'
+  VERSION = '2.2.4'
 end
diff --git a/rack-protection/lib/rack/protection/version.rb b/rack-protection/lib/rack/protection/version.rb
index 64a2fc05..d122d4c9 100644
--- a/rack-protection/lib/rack/protection/version.rb
+++ b/rack-protection/lib/rack/protection/version.rb
@@ -1,5 +1,5 @@
 module Rack
   module Protection
-    VERSION = '2.2.3'
+    VERSION = '2.2.4'
   end
 end
diff --git a/sinatra-contrib/lib/sinatra/contrib/version.rb b/sinatra-contrib/lib/sinatra/contrib/version.rb
index 81be0356..e09da8ba 100644
--- a/sinatra-contrib/lib/sinatra/contrib/version.rb
+++ b/sinatra-contrib/lib/sinatra/contrib/version.rb
@@ -1,6 +1,6 @@
 module Sinatra
   module Contrib
-    VERSION = '2.2.3'
+    VERSION = '2.2.4'
   end
 end