diff --git a/Gemfile.lock b/Gemfile.lock
index 4a2dfc8..c5073da 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -80,7 +80,10 @@ GEM
     rake (0.9.2.2)
     rdoc (3.12)
       json (~> 1.4)
-    rubyXL (1.2.8)
+    rubyXL (3.4.10)
+      nokogiri (>= 1.4.4)
+      rubyzip (>= 1.3.0)
+    rubyzip (2.0.0)
     sass (3.1.20)
     sass-rails (3.2.5)
       railties (~> 3.2.0)