diff --git a/Gemfile b/Gemfile
index 10c7ba8..c4553b4 100644
--- a/Gemfile
+++ b/Gemfile
@@ -17,7 +17,7 @@ gem 'rails', '~> 6.0.1'
 # Use sqlite3 as the database for Active Record
 gem 'pg'
 # 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 62a9394..363272a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -129,7 +129,7 @@ GEM
     multi_json (1.14.1)
     multi_xml (0.6.0)
     multipart-post (2.1.1)
-    nio4r (2.5.2)
+    nio4r (2.5.8)
     nokogiri (1.10.7)
       mini_portile2 (~> 2.4.0)
     nokogiri (1.10.7-x64-mingw32)
@@ -150,9 +150,10 @@ GEM
       omniauth (~> 1.9)
     orm_adapter (0.5.0)
     pg (1.1.4)
+    pg (1.1.4-x64-mingw32)
     popper_js (1.14.5)
     public_suffix (4.0.3)
-    puma (4.3.1)
+    puma (4.3.12)
       nio4r (~> 2.0)
     rack (2.0.8)
     rack-proxy (0.6.5)
@@ -269,7 +270,7 @@ DEPENDENCIES
   listen (>= 3.0.5, < 3.2)
   omniauth-facebook
   pg
-  puma (~> 4.1)
+  puma (~> 4.3)
   rails (~> 6.0.1)
   sass-rails (>= 6)
   selenium-webdriver