diff --git a/Gemfile b/Gemfile
index 4b55e2c..861abbb 100644
--- a/Gemfile
+++ b/Gemfile
@@ -13,7 +13,7 @@ gem 'jbuilder', '~> 2.7'
 gem 'kaminari'
 gem 'pg', '>= 0.18', '< 2.0'
 gem 'pg_search', '~> 2.2'
-gem 'puma', '~> 4.1'
+gem 'puma', '~> 4.3'
 gem 'rails', '~> 6.0.3'
 gem 'sass-rails', '>= 6'
 gem 'turbolinks', '~> 5'
diff --git a/Gemfile.lock b/Gemfile.lock
index c23d585..ab049a7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -205,7 +205,7 @@ GEM
     mini_portile2 (2.4.0)
     minitest (5.14.0)
     msgpack (1.3.3)
-    nio4r (2.5.2)
+    nio4r (2.5.8)
     nokogiri (1.10.9)
       mini_portile2 (~> 2.4.0)
     orm_adapter (0.5.0)
@@ -222,7 +222,7 @@ GEM
     pry-rails (0.3.9)
       pry (>= 0.10.4)
     public_suffix (4.0.5)
-    puma (4.3.3)
+    puma (4.3.12)
       nio4r (~> 2.0)
     pundit (2.1.0)
       activesupport (>= 3.0.0)
@@ -382,7 +382,7 @@ DEPENDENCIES
   pg (>= 0.18, < 2.0)
   pg_search (~> 2.2)
   pry-rails
-  puma (~> 4.1)
+  puma (~> 4.3)
   pundit (~> 2.1.0)
   rack-cors
   rails (~> 6.0.3)