diff --git a/foreman_netbox.gemspec b/foreman_netbox.gemspec
index 6c411b8..3d12ab1 100644
--- a/foreman_netbox.gemspec
+++ b/foreman_netbox.gemspec
@@ -20,7 +20,7 @@ Gem::Specification.new do |s|
 
   # pin versions
   s.add_dependency 'dry-container', '0.9.0'
-  s.add_dependency 'dry-core', '0.8.1'
+  s.add_dependency 'dry-core', '0.9.1'
   s.add_dependency 'dry-schema', '1.10.6'
 
   s.add_development_dependency 'rdoc'