diff --git a/Gemfile.lock b/Gemfile.lock
index f3b6fa2..17a1539 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    pusher-chatkit-server (1.8.0)
+    pusher-chatkit-server (1.9.0)
       pusher-platform (~> 0.11.2)
 
 GEM
diff --git a/chatkit.gemspec b/chatkit.gemspec
index 5931b7f..17d874a 100644
--- a/chatkit.gemspec
+++ b/chatkit.gemspec
@@ -1,6 +1,6 @@
 Gem::Specification.new do |s|
   s.name        = 'pusher-chatkit-server'
-  s.version     = '1.8.0'
+  s.version     = '1.9.0'
   s.licenses    = ['MIT']
   s.summary     = 'Pusher Chatkit Ruby SDK'
   s.authors     = ['Pusher']