diff --git a/godmin.gemspec b/godmin.gemspec
index a726534d..fcde2a43 100644
--- a/godmin.gemspec
+++ b/godmin.gemspec
@@ -11,7 +11,7 @@ Gem::Specification.new do |gem|
   gem.email       = ["info@varvet.se"]
   gem.homepage    = "https://github.com/varvet/godmin"
   gem.summary     = "Godmin is an admin framework for Rails 4+"
-  gem.description = "Godmin is an admin framework for Rails 4+"
+  gem.description = "Godmin is an admin framework for Rails 4+. Use it to build dedicated admin sections for your apps, or stand alone admin apps such as internal tools."
   gem.license     = "MIT"
 
   gem.files         = `git ls-files`.split($/)
@@ -19,23 +19,23 @@ Gem::Specification.new do |gem|
   gem.test_files    = gem.files.grep(%r{^(test|spec|features)/})
   gem.require_paths = ["lib"]
 
-  gem.add_dependency "bcrypt", "~> 3.1.7"
-  gem.add_dependency "bootstrap-sass", "~> 3.3.3"
-  gem.add_dependency "bootstrap_form", "~> 2.4.0"
-  gem.add_dependency "coffee-rails", ">= 4.0"
-  gem.add_dependency "csv_builder", "~> 2.1.1"
-  gem.add_dependency "jquery-rails", ">= 3.0"
-  gem.add_dependency "momentjs-rails", ">= 2.8.1"
-  gem.add_dependency "rails", ">= 4.0"
-  gem.add_dependency "sass-rails", ">= 4.0"
-  gem.add_dependency "selectize-rails", "~> 0.12.0"
+  gem.add_dependency "bcrypt", "~> 3.1"
+  gem.add_dependency "bootstrap_form", "~> 2.4"
+  gem.add_dependency "bootstrap-sass", "~> 3.3"
+  gem.add_dependency "coffee-rails", [">= 4.0", "< 6.0"]
+  gem.add_dependency "csv_builder", "~> 2.1"
+  gem.add_dependency "jquery-rails", [">= 3.0", "< 5.0"]
+  gem.add_dependency "momentjs-rails", "~> 2.8"
+  gem.add_dependency "rails", [">= 4.0", "< 6.0"]
+  gem.add_dependency "sass-rails", [">= 4.0", "< 6.0"]
+  gem.add_dependency "selectize-rails", "~> 0.12"
 
-  gem.add_development_dependency "appraisal"
-  gem.add_development_dependency "capybara"
-  gem.add_development_dependency "m"
-  gem.add_development_dependency "minitest-reporters"
-  gem.add_development_dependency "minitest"
-  gem.add_development_dependency "poltergeist"
-  gem.add_development_dependency "pry"
-  gem.add_development_dependency "sqlite3"
+  gem.add_development_dependency "appraisal", "~> 2.1"
+  gem.add_development_dependency "capybara", "~> 2.4"
+  gem.add_development_dependency "m", "~> 1.3"
+  gem.add_development_dependency "minitest-reporters", "~> 1.0"
+  gem.add_development_dependency "minitest", "~> 5.5"
+  gem.add_development_dependency "poltergeist", "~> 1.7"
+  gem.add_development_dependency "pry", "~> 0.10"
+  gem.add_development_dependency "sqlite3", "~> 1.3"
 end