diff --git a/Gemfile b/Gemfile
index 9ec994b..6b11d88 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,7 +5,7 @@ gem 'faye-websocket', '0.11.0'
 gem 'vonage', '~> 7.28'
 gem 'sinatra', '2.1.0'
 gem 'sinatra-contrib', '2.1.0'
-gem 'rack-contrib', '2.3.0'
+gem 'rack-contrib', '2.5.0'
 gem 'thin', '1.8.0'
 gem 'rubocop', require: false
 gem "byebug", "~> 11.0"
diff --git a/Gemfile.lock b/Gemfile.lock
index 08ed918..7349bc0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -24,9 +24,9 @@ GEM
     parser (2.6.3.0)
       ast (~> 2.4.0)
     phonelib (0.9.3)
-    rack (2.2.3)
-    rack-contrib (2.3.0)
-      rack (~> 2.0)
+    rack (2.2.10)
+    rack-contrib (2.5.0)
+      rack (< 4)
     rack-protection (2.1.0)
       rack
     rainbow (3.0.0)
@@ -80,7 +80,7 @@ DEPENDENCIES
   byebug (~> 11.0)
   dotenv (= 2.7.6)
   faye-websocket (= 0.11.0)
-  rack-contrib (= 2.3.0)
+  rack-contrib (= 2.5.0)
   rubocop
   sinatra (= 2.1.0)
   sinatra-contrib (= 2.1.0)