diff --git a/Gemfile b/Gemfile
index a6916277..f760b5d3 100644
--- a/Gemfile
+++ b/Gemfile
@@ -21,7 +21,7 @@ gem 'acts_as_list'
 gem 'bcrypt', '~> 3.1.18'
 gem 'htmlentities'
 gem "kt-paperclip", "~> 7.1"
-gem 'puma', '~> 5.6'
+gem 'puma', '~> 6.0'
 gem 'rails_autolink'
 gem 'RedCloth'
 gem 'sanitize', '~> 6.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 59a93727..12712c29 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -178,7 +178,7 @@ GEM
     parser (3.1.2.1)
       ast (~> 2.4.1)
     pg (1.4.4)
-    puma (5.6.5)
+    puma (6.0.0)
       nio4r (~> 2.0)
     racc (1.6.0)
     rack (2.2.4)
@@ -351,7 +351,7 @@ DEPENDENCIES
   mocha
   mysql2 (~> 0.5.4)
   pg (~> 1.4.4)
-  puma (~> 5.6)
+  puma (~> 6.0)
   rack-mini-profiler
   rails (~> 6.0.0)
   rails-controller-testing