diff --git a/Gemfile b/Gemfile
index 46a7fee..db31569 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ gem 'rails', '~> 6.1.3', '>= 6.1.3.2'
 # Use sqlite3 as the database for Active Record
 gem 'pg'
 # Use Puma as the app server
-gem 'puma', '~> 5.0'
+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 132cb4a..c7c35c4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -97,14 +97,18 @@ GEM
     marcel (1.0.1)
     method_source (1.0.0)
     mini_mime (1.0.3)
+    mini_portile2 (2.5.3)
     minitest (5.14.4)
     msgpack (1.4.2)
-    nio4r (2.5.7)
+    nio4r (2.5.8)
+    nokogiri (1.11.5)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
     nokogiri (1.11.5-x86_64-darwin)
       racc (~> 1.4)
     pg (1.2.3)
     public_suffix (4.0.6)
-    puma (5.3.1)
+    puma (5.5.1)
       nio4r (~> 2.0)
     racc (1.5.2)
     rack (2.2.3)
@@ -207,7 +211,7 @@ DEPENDENCIES
   jbuilder (~> 2.7)
   listen (~> 3.3)
   pg
-  puma (~> 5.0)
+  puma (~> 5.5)
   rack-mini-profiler (~> 2.0)
   rails (~> 6.1.3, >= 6.1.3.2)
   sass-rails (>= 6)