diff --git a/Gemfile b/Gemfile
index f623263..d85ade9 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,4 +1,5 @@
 
-source :rubygems
+source "https://rubygems.org"
 
 gem "rdebug"
+gem "qtbindings"
diff --git a/Gemfile.lock b/Gemfile.lock
index 4c9f069..975df05 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,10 +1,12 @@
 GEM
-  remote: http://rubygems.org/
+  remote: https://rubygems.org/
   specs:
+    qtbindings (4.8.3.0)
     rdebug (0.1)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
+  qtbindings
   rdebug