karo.gemspec in karo-2.3.0 vs karo.gemspec in karo-2.3.1

@@ -21,9 +21,9 @@
   spec.add_development_dependency  "pry"
   spec.add_development_dependency  "bundler"
   spec.add_development_dependency  "rake"
   spec.add_development_dependency  "rdoc"
   spec.add_development_dependency  "aruba"
-  spec.add_dependency "awesome_print"
-  spec.add_dependency "grit"
-  spec.add_dependency "thor"
+  spec.add_dependency "awesome_print", "~> 1.1.0"
+  spec.add_dependency "grit", "~> 2.5.0"
+  spec.add_dependency "thor", "~> 0.18"
 end