diff --git a/gds-api-adapters.gemspec b/gds-api-adapters.gemspec
index c9c27b10..5a5590d8 100644
--- a/gds-api-adapters.gemspec
+++ b/gds-api-adapters.gemspec
@@ -19,7 +19,7 @@ Gem::Specification.new do |s|
   s.add_dependency "link_header"
   s.add_dependency "null_logger"
   s.add_dependency "plek", ">= 1.9.0"
-  s.add_dependency "rack", ">= 2.2.0"
+  s.add_dependency "rack", "~> 2.2.0"
   s.add_dependency "rest-client", "~> 2.0"
 
   s.add_development_dependency "byebug"