diff --git a/Gemfile.lock b/Gemfile.lock
index 861a162e..cc298203 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -35,9 +35,10 @@ GEM
     atomic (1.1.9)
     basic_config (0.1.1)
     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 (0.7.1)
       debug_inspector (>= 0.0.1)
     bootstrap-sass (2.3.1.2)
@@ -87,6 +88,7 @@ GEM
     debug_inspector (0.0.2)
     decent_exposure (1.0.2)
     diff-lcs (1.2.4)
+    erubi (1.10.0)
     erubis (2.7.0)
     eventmachine (1.0.3)
     excon (0.22.1)