diff --git a/src/ruby/grpc.gemspec b/src/ruby/grpc.gemspec
index 3ddb7fac18fd60ba235003863661f396fa191191..319da9470ab93ae2526b2f80c6291e147288217d 100755
--- a/src/ruby/grpc.gemspec
+++ b/src/ruby/grpc.gemspec
@@ -14,7 +14,7 @@ Gem::Specification.new do |s|
   s.license       = 'BSD-3-Clause'
 
   s.required_ruby_version = '>= 2.0.0'
-  s.requirements << 'libgrpc ~> 0.6.0 needs to be installed'
+  s.requirements << 'libgrpc ~> 0.9.1 needs to be installed'
 
   s.files         = `git ls-files`.split("\n")
   s.test_files    = `git ls-files -- spec/*`.split("\n")
diff --git a/src/ruby/lib/grpc/version.rb b/src/ruby/lib/grpc/version.rb
index 8588bfd80803584b6bb411ab14f79547ef39b59d..53265c792c463ddf2c95a63bd1e13923b0422299 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 = '0.9.2'
+  VERSION = '0.9.3'
 end