diff --git a/Gemfile b/Gemfile
index 5ecb3f7..46299f5 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ ruby '2.6.5'
 gem 'bootsnap', '>= 1.4.2', require: false
 gem 'jwt'
 gem 'pg', '>= 0.18', '< 2.0'
-gem 'puma', '~> 4.1'
+gem 'puma', '~> 4.3'
 gem 'rails', '~> 6.0.2', '>= 6.0.2.1'
 group :development, :test do
   gem 'byebug', platforms: %i[mri mingw x64_mingw]
diff --git a/Gemfile.lock b/Gemfile.lock
index d511a8b..96fd17e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -89,14 +89,14 @@ GEM
     mini_portile2 (2.4.0)
     minitest (5.13.0)
     msgpack (1.3.1)
-    nio4r (2.5.2)
+    nio4r (2.5.8)
     nokogiri (1.10.7)
       mini_portile2 (~> 2.4.0)
     parallel (1.18.0)
     parser (2.6.5.0)
       ast (~> 2.4.0)
     pg (1.1.4)
-    puma (4.3.1)
+    puma (4.3.12)
       nio4r (~> 2.0)
     rack (2.0.8)
     rack-test (1.1.0)
@@ -192,7 +192,7 @@ DEPENDENCIES
   jwt
   listen (>= 3.0.5, < 3.2)
   pg (>= 0.18, < 2.0)
-  puma (~> 4.1)
+  puma (~> 4.3)
   rails (~> 6.0.2, >= 6.0.2.1)
   rspec-rails
   rubocop