diff --git a/apktools.gemspec b/apktools.gemspec
index 094d805..4b0b4e6 100644
--- a/apktools.gemspec
+++ b/apktools.gemspec
@@ -30,5 +30,5 @@ Gem::Specification.new do |s|
 
   s.executables << 'get_app_version.rb'
   s.executables << 'read_manifest.rb'
-  s.add_runtime_dependency 'rubyzip', '~> 1.2.1'
+  s.add_runtime_dependency 'rubyzip', '~> 1.2.2'
 end