diff --git a/sippy_cup.gemspec b/sippy_cup.gemspec
index 2960561..40ac33e 100644
--- a/sippy_cup.gemspec
+++ b/sippy_cup.gemspec
@@ -19,7 +19,7 @@ Gem::Specification.new do |s|
   s.require_paths = ["lib"]
 
   s.add_runtime_dependency 'packetfu', [">= 1.1.13"]
-  s.add_runtime_dependency 'nokogiri', ["~> 1.8.1"]
+  s.add_runtime_dependency 'nokogiri', ["~> 1.10.4"]
   s.add_runtime_dependency 'activesupport', [">= 3.0"]
   s.add_runtime_dependency 'psych', ["~> 2.0.1"] unless RUBY_PLATFORM == 'java'