diff --git a/Gemfile.lock b/Gemfile.lock
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -58,6 +58,8 @@
     jquery-rails (3.1.1)
       railties (>= 3.0, < 5.0)
       thor (>= 0.14, < 2.0)
+    jquery-tablesorter (1.12.7)
+      railties (>= 3.1, < 5)
     jquery-timepicker-addon-rails (1.4.1)
       railties (>= 3.1)
     jquery-ui-rails (4.0.3)
@@ -152,6 +154,7 @@
   haml
   in_place_editing
   jquery-rails
+  jquery-tablesorter
   jquery-timepicker-addon-rails
   jquery-ui-sass-rails
   mail