diff --git a/resque-pool.gemspec b/resque-pool.gemspec
index 266760b..d9b0671 100644
--- a/resque-pool.gemspec
+++ b/resque-pool.gemspec
@@ -30,7 +30,7 @@ Gem::Specification.new do |spec|
 
   spec.required_ruby_version = '>= 2.0'
 
-  spec.add_dependency "resque", ">= 1.22", "< 3"
+  spec.add_dependency "resque", ">= 1.22", "< 4"
   spec.add_dependency "rake",   ">= 10.0"
 
   spec.add_development_dependency "bundler"