diff --git a/Gemfile.lock b/Gemfile.lock
index f63e6f7..23986eb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -41,9 +41,10 @@ GEM
       rake
     arel (3.0.3)
     bcrypt-ruby (3.0.1)
-    better_errors (1.1.0)
+    better_errors (2.9.1)
       coderay (>= 1.0.0)
-      erubis (>= 2.6.6)
+      erubi (>= 1.0.0)
+      rack (>= 0.9.0)
     bootstrap-sass (2.3.1.0)
       sass (~> 3.2)
     bootstrap-will_paginate (1.0.0)
@@ -75,6 +76,7 @@ GEM
     dalli (2.7.0)
     declarative_authorization (0.5.7)
     diff-lcs (1.3)
+    erubi (1.10.0)
     erubis (2.7.0)
     eventmachine (1.0.3)
     execjs (1.4.0)