diff --git a/pwntools.gemspec b/pwntools.gemspec
index 55e1cd8..34f9574 100644
--- a/pwntools.gemspec
+++ b/pwntools.gemspec
@@ -33,7 +33,7 @@ Gem::Specification.new do |s|
   s.add_runtime_dependency 'elftools', '>= 1.0.1', '< 1.2.0'
   s.add_runtime_dependency 'keystone-engine', '~> 0.9'
   s.add_runtime_dependency 'method_source', '>= 0.9'
-  s.add_runtime_dependency 'one_gadget', '>= 1.6.2', '< 1.9.0'
+  s.add_runtime_dependency 'one_gadget', '>= 1.6.2', '< 1.10.0'
   s.add_runtime_dependency 'rainbow', '>= 2.2', '< 4.0'
   s.add_runtime_dependency 'ruby2ruby', '~> 2.4'
   s.add_runtime_dependency 'rubyserial', '~> 0.5'