diff --git a/Gemfile b/Gemfile
index 606e188..dabcea3 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ gem 'rails', '~> 6.0.2', '>= 6.0.2.2'
 # Use postgresql as the database for Active Record
 gem 'pg', '>= 0.18', '< 2.0'
 # Use Puma as the app server
-gem 'puma', '~> 4.1'
+gem 'puma', '~> 4.3'
 # Reduces boot times through caching; required in config/boot.rb
 gem 'bootsnap', '>= 1.4.2', require: false
 gem 'faraday'
diff --git a/Gemfile.lock b/Gemfile.lock
index efd74dc..7c8b06c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -103,7 +103,7 @@ GEM
     nokogiri (1.10.9)
       mini_portile2 (~> 2.4.0)
     pg (1.2.3)
-    puma (4.3.3)
+    puma (4.3.5)
       nio4r (~> 2.0)
     rack (2.2.2)
     rack-test (1.1.0)
@@ -172,7 +172,7 @@ DEPENDENCIES
   faraday
   listen (>= 3.0.5, < 3.2)
   pg (>= 0.18, < 2.0)
-  puma (~> 4.1)
+  puma (~> 4.3)
   rails (~> 6.0.2, >= 6.0.2.2)
   spring
   spring-watcher-listen (~> 2.0.0)