diff --git a/synapse.gemspec b/synapse.gemspec
index 94f791f4..aae6870f 100644
--- a/synapse.gemspec
+++ b/synapse.gemspec
@@ -23,7 +23,7 @@ Gem::Specification.new do |gem|
 
   gem.add_runtime_dependency "aws-sdk", "~> 1.39"
   gem.add_runtime_dependency "docker-api", "~> 1.7"
-  gem.add_runtime_dependency "zk", "~> 1.9.4"
+  gem.add_runtime_dependency "zk", "~> 1.10.0"
   gem.add_runtime_dependency "logging", "~> 1.8"
   gem.add_runtime_dependency "hashdiff", "~> 0.2.3"
   gem.add_runtime_dependency "dogstatsd-ruby", "~> 3.3.0"