diff --git a/administrate-field-color.gemspec b/administrate-field-color.gemspec
index 1cdbd04..616e9eb 100644
--- a/administrate-field-color.gemspec
+++ b/administrate-field-color.gemspec
@@ -17,5 +17,4 @@ Gem::Specification.new do |gem|
   gem.test_files = `git ls-files -- {test,spec,features}/*`.split("\n")
 
   gem.add_dependency "administrate", ">= 0.2.0.rc1"
-  gem.add_dependency "rails", "~> 4.2"
 end