diff --git a/src/ruby/lib/grpc/version.rb b/src/ruby/lib/grpc/version.rb
index e57fb3c..6e62af9 100644
--- a/src/ruby/lib/grpc/version.rb
+++ b/src/ruby/lib/grpc/version.rb
@@ -29,5 +29,5 @@
 
 # GRPC contains the General RPC module.
 module GRPC
-  VERSION = '1.0.0.pre1'
+  VERSION = '1.1.0.dev'
 end