diff --git a/.circleci/config.yml b/.circleci/config.yml
index dbef642..e61fc40 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -54,3 +54,4 @@ workflows:
                 - circleci/ruby:2.7
                 - circleci/jruby:9.1
                 - circleci/jruby:9.2
+                - circleci/jruby:9.3
diff --git a/active_publisher.gemspec b/active_publisher.gemspec
index 7654b08..6b3c4d2 100644
--- a/active_publisher.gemspec
+++ b/active_publisher.gemspec
@@ -21,7 +21,7 @@ Gem::Specification.new do |spec|
 
   if ENV['PLATFORM'] == "java" || ::RUBY_PLATFORM == 'java'
     spec.platform = "java"
-    spec.add_dependency 'march_hare', '~> 2.7'
+    spec.add_dependency 'march_hare', '~> 4.4'
   else
     spec.add_dependency 'bunny', '~> 2.1'
   end