diff --git a/shopify_theme_builder.gemspec b/shopify_theme_builder.gemspec
index 8914e44..ff41841 100644
--- a/shopify_theme_builder.gemspec
+++ b/shopify_theme_builder.gemspec
@@ -34,7 +34,7 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
 
   spec.add_dependency "activesupport", ">= 6.0", "< 9.0"
-  spec.add_dependency "filewatcher", "~> 2.1"
+  spec.add_dependency "filewatcher", ">= 2.1", "< 4.0"
   spec.add_dependency "tailwindcss-ruby", ">= 3.0", "< 5.0"
   spec.add_dependency "thor", "~> 1.4"
 end