diff --git a/Gemfile.lock b/Gemfile.lock
index ffa30d4f..eaf4b21c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -74,7 +74,7 @@ GEM
       ZenTest (~> 4.5)
     bcrypt (3.1.16)
     bcrypt_pbkdf (1.0.1)
-    better_errors (2.8.3)
+    better_errors (2.9.1)
       coderay (>= 1.0.0)
       erubi (>= 1.0.0)
       rack (>= 0.9.0)