diff --git a/rails-views.gemspec b/rails-views.gemspec
index 6c426a4..e06aab3 100644
--- a/rails-views.gemspec
+++ b/rails-views.gemspec
@@ -17,7 +17,7 @@ Gem::Specification.new do |spec|
   spec.files         = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
   spec.require_paths = ['lib']
 
-  spec.add_dependency 'cells'
-  spec.add_dependency 'cells-rails'
-  spec.add_dependency 'cells-slim'
+  spec.add_dependency 'cells', '~> 4.1.7'
+  spec.add_dependency 'cells-rails', '~> 0.0.8'
+  spec.add_dependency 'cells-slim', '~> 0.0.6'
 end