diff --git a/lib/jeweler/templates/Gemfile b/lib/jeweler/templates/Gemfile
index 8b7d4f4c..5c7fbd99 100644
--- a/lib/jeweler/templates/Gemfile
+++ b/lib/jeweler/templates/Gemfile
@@ -1,4 +1,4 @@
-source "http://rubygems.org"
+source "https://rubygems.org"
 # Add dependencies required to use your gem here.
 # Example:
 #   gem "activesupport", ">= 2.3.5"