diff --git a/Gemfile.lock b/Gemfile.lock
index 22713f4f..92343084 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -156,6 +156,7 @@ GEM
     crack (0.4.5)
       rexml
     crass (1.0.6)
+    csv (3.3.5)
     daemons (1.4.0)
     dalli (2.7.11)
     dante (0.2.0)
@@ -270,7 +271,8 @@ GEM
       pp (>= 0.6.0)
       rdoc (>= 4.0.0)
       reline (>= 0.4.2)
-    iso-639 (0.3.5)
+    iso-639 (0.3.8)
+      csv
     jquery-datatables-rails (3.4.0)
       actionpack (>= 3.1)
       jquery-rails