diff --git a/Gemfile.lock b/Gemfile.lock
index 625e4006..17b604a8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -50,7 +50,7 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    acts_as_list (0.9.17)
+    acts_as_list (0.9.19)
       activerecord (>= 3.0)
     addressable (2.6.0)
       public_suffix (>= 2.0.2, < 4.0)