diff --git a/Gemfile.lock b/Gemfile.lock
index 6a8edef..2564834 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,16 +2,16 @@ GEM
   remote: https://rubygems.org/
   specs:
     backports (3.15.0)
-    better_errors (2.5.1)
+    better_errors (2.8.0)
       coderay (>= 1.0.0)
       erubi (>= 1.0.0)
       rack (>= 0.9.0)
     binding_of_caller (0.8.0)
       debug_inspector (>= 0.0.1)
     byebug (11.0.1)
-    coderay (1.1.2)
+    coderay (1.1.3)
     debug_inspector (0.0.3)
-    erubi (1.9.0)
+    erubi (1.10.0)
     method_source (0.9.2)
     multi_json (1.14.1)
     mustermann (1.0.3)
@@ -21,7 +21,7 @@ GEM
     pry-byebug (3.7.0)
       byebug (~> 11.0)
       pry (~> 0.10)
-    rack (2.0.7)
+    rack (2.2.3)
     rack-protection (2.0.7)
       rack
     sinatra (2.0.7)