diff --git a/Gemfile.lock b/Gemfile.lock
index 7a750c0..b2a8f21 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -34,9 +34,10 @@ GEM
     arel (3.0.2)
     awesome_print (1.1.0)
     bcrypt-ruby (3.0.1)
-    better_errors (0.9.0)
+    better_errors (2.8.0)
       coderay (>= 1.0.0)
-      erubis (>= 2.6.6)
+      erubi (>= 1.0.0)
+      rack (>= 0.9.0)
     binding_of_caller (0.7.2)
       debug_inspector (>= 0.0.1)
     bootstrap-sass (2.3.2.0)
@@ -93,6 +94,7 @@ GEM
     email_spec (1.4.0)
       launchy (~> 2.1)
       mail (~> 2.2)
+    erubi (1.10.0)
     erubis (2.7.0)
     eventmachine (1.0.3)
     excon (0.25.0)