diff --git a/Gemfile b/Gemfile
index 376e928..b508f3d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ gem "rails", "~> 6.0.1"
 # 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"
 # 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 fb42b7d..d65a138 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -185,7 +185,7 @@ GEM
     multipart-post (2.1.1)
     name_of_person (1.1.1)
       activesupport (>= 5.2.0)
-    nio4r (2.5.2)
+    nio4r (2.5.8)
     nokogiri (1.10.5)
       mini_portile2 (~> 2.4.0)
     oauth (0.5.4)
@@ -219,7 +219,7 @@ GEM
     pg (1.1.4)
     popper_js (1.14.5)
     public_suffix (4.0.1)
-    puma (4.3.0)
+    puma (4.3.9)
       nio4r (~> 2.0)
     rack (2.0.7)
     rack-protection (2.0.7)
@@ -364,7 +364,7 @@ DEPENDENCIES
   omniauth-github (~> 1.3)
   omniauth-twitter (~> 1.4)
   pg (>= 0.18, < 2.0)
-  puma (~> 4.1)
+  puma (~> 4.3)
   rails (~> 6.0.1)
   sass-rails (>= 6)
   selenium-webdriver