diff --git a/warbler.gemspec b/warbler.gemspec
index f31966c8..62ca7054 100644
--- a/warbler.gemspec
+++ b/warbler.gemspec
@@ -32,7 +32,7 @@ bundle up all of your application files for deployment to a Java environment.}
 
   gem.add_runtime_dependency 'rake', ['~> 13.0', '>= 13.0.3']
   gem.add_runtime_dependency 'rexml', '~> 3.0'
-  gem.add_runtime_dependency 'jruby-jars', ['>= 9.4', '< 10.1']
+  gem.add_runtime_dependency 'jruby-jars', '>= 9.4', '< 10.2'
   gem.add_runtime_dependency 'jruby-rack', ['>= 1.2.6', '< 1.4']
   gem.add_runtime_dependency 'rubyzip', ['>= 2.1.0', '< 4']
   gem.add_runtime_dependency 'ostruct', '~> 0.6.2'