diff --git a/Gemfile b/Gemfile
index 552ab351..6105f868 100644
--- a/Gemfile
+++ b/Gemfile
@@ -7,7 +7,7 @@ gem 'builder'
 gem 'thin'
 gem 'maruku'
 gem 'i18n'
-gem "puma", "~> 6.6"
+gem "puma", "~> 8.0"
 gem 'rack-ssl-enforcer'
 gem "rackup", "~> 2.2"
 gem 'rexml'
diff --git a/Gemfile.lock b/Gemfile.lock
index bdf61aaf..5a0709b4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -11,8 +11,8 @@ GEM
     logger (1.7.0)
     maruku (0.7.3)
     mustermann (3.1.1)
-    nio4r (2.7.4)
-    puma (6.6.0)
+    nio4r (2.7.5)
+    puma (8.0.2)
       nio4r (~> 2.0)
     rack (3.2.6)
     rack-protection (4.2.1)
@@ -48,7 +48,7 @@ DEPENDENCIES
   builder
   i18n
   maruku
-  puma (~> 6.6)
+  puma (~> 8.0)
   rack-ssl-enforcer
   rackup (~> 2.2)
   rexml