diff --git a/Gemfile.lock b/Gemfile.lock
index 17947bb..50f7ab1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,14 +1,16 @@
 PATH
   remote: .
   specs:
-    qasim (0.1.11.dev.2014102921)
-      qtbindings (~> 4.8.6.0)
+    qasim (0.1.11.dev.2014102922)
+      qtbindings (~> 4.8.6)
+      thor (~> 0.19.1)
 
 GEM
   remote: https://rubygems.org/
   specs:
     qtbindings (4.8.6.0)
     rake (10.3.2)
+    thor (0.19.1)
 
 PLATFORMS
   ruby
diff --git a/qasim.gemspec b/qasim.gemspec
index 300065e..33e6843 100644
--- a/qasim.gemspec
+++ b/qasim.gemspec
@@ -30,5 +30,6 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "bundler", "~> 1.5"
   spec.add_development_dependency "rake"
 
-  spec.add_runtime_dependency "qtbindings", "~> 4.8.6.0"
+  spec.add_runtime_dependency "qtbindings", "~> 4.8.6"
+  spec.add_runtime_dependency "thor", "~> 0.19.1"
 end