diff --git a/Gemfile b/Gemfile
index 5bc54767..e10c11ea 100644
--- a/Gemfile
+++ b/Gemfile
@@ -51,7 +51,7 @@ end
 # Development
 group :development do
   gem 'yard'
-  gem 'better_errors', "1.1.0"
+  gem 'better_errors', "2.9.1"
   gem 'binding_of_caller'
   gem 'bullet'
   gem 'annotate'
diff --git a/Gemfile.lock b/Gemfile.lock
index c03650ce..251a1502 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -61,9 +61,10 @@ GEM
     autotest-rails (4.2.1)
       ZenTest (~> 4.5)
     bcrypt (3.1.10)
-    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)
     binding_of_caller (0.7.2)
       debug_inspector (>= 0.0.1)
     bootstrap-datepicker-rails (1.5.0)
@@ -91,7 +92,7 @@ GEM
       rack (>= 1.0.0)
       rack-test (>= 0.5.4)
       xpath (~> 2.0)
-    coderay (1.1.0)
+    coderay (1.1.3)
     cucumber (1.3.20)
       builder (>= 2.1.2)
       diff-lcs (>= 1.1.3)
@@ -110,6 +111,7 @@ GEM
     docile (1.1.5)
     email_validator (1.6.0)
       activemodel
+    erubi (1.10.0)
     erubis (2.7.0)
     exception_notification (4.1.1)
       actionmailer (>= 3.0.4)
@@ -311,7 +313,7 @@ DEPENDENCIES
   authlogic
   autotest-rails
   bcrypt
-  better_errors (= 1.1.0)
+  better_errors (= 2.9.1)
   binding_of_caller
   bootstrap-datepicker-rails
   bootstrap-material-design