diff --git a/Gemfile b/Gemfile
index 9f7ddbd..b0c62cc 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ gem 'rails', '~> 6.0.2', '>= 6.0.2.1'
 # Use sqlite3 as the database for Active Record
 # gem 'sqlite3', '~> 1.4'
 gem 'pg'
-gem 'puma', '~> 4.1'
+gem 'puma', '~> 4.3'
 gem 'sass-rails', '>= 6'
 gem 'webpacker', '~> 4.0'
 gem 'turbolinks', '~> 5'
diff --git a/Gemfile.lock b/Gemfile.lock
index da117d7..dbff642 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -127,13 +127,13 @@ 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)
     orm_adapter (0.5.0)
     pg (1.1.4)
     public_suffix (4.0.2)
-    puma (4.3.1)
+    puma (4.3.12)
       nio4r (~> 2.0)
     rack (2.0.8)
     rack-proxy (0.6.5)
@@ -245,7 +245,7 @@ DEPENDENCIES
   listen (>= 3.0.5, < 3.2)
   mini_magick (~> 4.8)
   pg
-  puma (~> 4.1)
+  puma (~> 4.3)
   rails (~> 6.0.2, >= 6.0.2.1)
   rolify
   sass-rails (>= 6)