diff --git a/Gemfile b/Gemfile
index 42ec0f8..b384c73 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,7 +6,7 @@ ruby '3.0.1'
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails', branch: 'main'
 gem 'rails', '~> 6.1.4'
 # Use Puma as the app server
-gem 'puma', '~> 5.3'
+gem 'puma', '~> 5.5'
 # Use SCSS for stylesheets
 gem 'sass-rails', '>= 6'
 # Transpile app-like JavaScript. Read more: https://github.com/rails/webpacker
diff --git a/Gemfile.lock b/Gemfile.lock
index 3757d37..871dbdb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -3,7 +3,7 @@ GIT
   revision: 3c31c0f0adaa028c6c58a4fe09b81b332d5fcae9
   specs:
     mongoid (7.3.0)
-      activemodel (>= 6.0, < 6.2)
+      activemodel (>= 5.1, < 6.2)
       mongo (>= 2.10.5, < 3.0.0)
 
 GEM
@@ -148,12 +148,12 @@ GEM
       bson (>= 4.8.2, < 5.0.0)
     msgpack (1.4.2)
     nested_form (0.3.2)
-    nio4r (2.5.7)
+    nio4r (2.5.8)
     nokogiri (1.11.7-x86_64-linux)
       racc (~> 1.4)
     orm_adapter (0.5.0)
     public_suffix (4.0.6)
-    puma (5.3.2)
+    puma (5.5.1)
       nio4r (~> 2.0)
     pundit (2.1.0)
       activesupport (>= 3.0.0)
@@ -285,7 +285,7 @@ DEPENDENCIES
   kaminari-mongoid
   listen (~> 3.3)
   mongoid!
-  puma (~> 5.3)
+  puma (~> 5.5)
   pundit (~> 2.1)
   rack-mini-profiler (~> 2.0)
   rails (~> 6.1.4)