diff --git a/CHANGELOG b/CHANGELOG
index a39a51d..8bb1b64 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,8 @@
+2.2.0 - 2024-12-05
+
+- FIX: Ensure socket is closed when error is raised while opening socket
+- Feature: Add Dalli::Client memcache metrics for web_collector
+
 2.1.1 - 2024-06-19
 
 - FEATURE: improve good_job instrumentation
diff --git a/lib/prometheus_exporter/version.rb b/lib/prometheus_exporter/version.rb
index da40260..c5ed0aa 100644
--- a/lib/prometheus_exporter/version.rb
+++ b/lib/prometheus_exporter/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module PrometheusExporter
-  VERSION = "2.1.1"
+  VERSION = "2.2.0"
 end