diff --git a/Gemfile b/Gemfile
index 7c36abef..25aa38de 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,7 +4,7 @@ ruby "~> 3.1.4"
 gem "sinatra", "~> 2.1"
 gem "sinatra-contrib", "~> 2.1"
 gem "erector", ">=0.9.0"
-gem "puma", "~> 5.1"
+gem "puma", "~> 6.3"
 gem "activesupport", "~> 6.0", ">= 6.0.3.1"
 gem "json", "~> 2.3", ">= 2.3.1"
 gem "rack-rewrite", "~>1.5"
diff --git a/Gemfile.lock b/Gemfile.lock
index dd8a4ee5..7435b7d9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -66,7 +66,7 @@ GEM
     mustermann (1.1.1)
       ruby2_keywords (~> 0.0.1)
     newrelic_rpm (6.14.0)
-    nio4r (2.5.4)
+    nio4r (2.5.9)
     nokogiri (1.14.3)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
@@ -77,7 +77,7 @@ GEM
     pry (0.13.1)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    puma (5.1.1)
+    puma (6.3.0)
       nio4r (~> 2.0)
     racc (1.6.2)
     rack (2.2.3)
@@ -159,7 +159,7 @@ DEPENDENCIES
   nokogiri (~> 1.10, >= 1.10.10)
   oj (~> 3.10, >= 3.10.13)
   pry (~> 0.13)
-  puma (~> 5.1)
+  puma (~> 6.3)
   rack-cache (~> 1.12, >= 1.12.0)
   rack-rewrite (~> 1.5)
   rack-ssl (~> 1.4, >= 1.4.1)