diff --git a/ekm-omnimeter.gemspec b/ekm-omnimeter.gemspec
index d73bbc7..a720c70 100644
--- a/ekm-omnimeter.gemspec
+++ b/ekm-omnimeter.gemspec
@@ -21,13 +21,12 @@ Gem::Specification.new do |spec|
   # Development dependencies
   spec.add_development_dependency "bundler", "~> 1.3"
   spec.add_development_dependency "rake", "~> 10.2"
-  spec.add_development_dependency "rspec"
+  spec.add_development_dependency "rspec", "~> 2.14"
 
   # Runtime dependencies
   spec.add_runtime_dependency "log4r", "~> 1.1"
   spec.add_runtime_dependency "xively-rb-connector", "~> 0.1"
-  spec.add_runtime_dependency "bigdecimal"
-  spec.add_runtime_dependency "trollop"
-  spec.add_runtime_dependency "daemons"
+  spec.add_runtime_dependency "bigdecimal", "~> 1.2"
+
 
 end