diff --git a/Gemfile b/Gemfile
index 40a523ef..b1072e8d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -21,7 +21,7 @@ gem 'acts_as_list'
 gem 'bcrypt', '~> 3.1.16'
 gem 'htmlentities'
 gem 'paperclip'
-gem 'puma', '~> 5.4'
+gem 'puma', '~> 5.5'
 gem 'rails_autolink'
 gem 'RedCloth'
 gem 'sanitize', '~> 6.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 7ce44ebd..9bc1d163 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -173,7 +173,7 @@ GEM
     parser (3.0.2.0)
       ast (~> 2.4.1)
     pg (1.2.3)
-    puma (5.4.0)
+    puma (5.5.0)
       nio4r (~> 2.0)
     racc (1.5.2)
     rack (2.2.3)
@@ -341,7 +341,7 @@ DEPENDENCIES
   mysql2 (~> 0.5.3)
   paperclip
   pg (~> 1.2.3)
-  puma (~> 5.4)
+  puma (~> 5.5)
   rack-mini-profiler
   rails (~> 6.0.3)
   rails-controller-testing