diff --git a/alchemy_cms.gemspec b/alchemy_cms.gemspec
index 32d448d9a6..a6d04d0722 100644
--- a/alchemy_cms.gemspec
+++ b/alchemy_cms.gemspec
@@ -50,7 +50,7 @@ Gem::Specification.new do |gem|
   gem.add_runtime_dependency "request_store", ["~> 1.2"]
   gem.add_runtime_dependency "responders", [">= 2.0", "< 4.0"]
   gem.add_runtime_dependency "sassc-rails", ["~> 2.1"]
-  gem.add_runtime_dependency "simple_form", [">= 4.0", "< 6"]
+  gem.add_runtime_dependency "simple_form", ["5.3.0"]
   gem.add_runtime_dependency "sprockets", [">= 3.0", "< 5"]
   gem.add_runtime_dependency "turbo-rails", [">= 1.4"]
   gem.add_runtime_dependency "view_component", ["~> 3.0"]