diff --git a/online_store/Gemfile b/online_store/Gemfile
index 55dfcf9..5e79ae7 100644
--- a/online_store/Gemfile
+++ b/online_store/Gemfile
@@ -9,7 +9,7 @@ gem 'rails', '~> 6.0.2', '>= 6.0.2.1'
 #gem 'sqlite3', '~> 1.4'
 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/online_store/Gemfile.lock b/online_store/Gemfile.lock
index d4a25cb..2846b2e 100644
--- a/online_store/Gemfile.lock
+++ b/online_store/Gemfile.lock
@@ -155,7 +155,7 @@ GEM
     multi_xml (0.6.0)
     multipart-post (2.1.1)
     nenv (0.3.0)
-    nio4r (2.5.2)
+    nio4r (2.5.8)
     nokogiri (1.10.8)
       mini_portile2 (~> 2.4.0)
     notiffany (0.1.3)
@@ -183,7 +183,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     public_suffix (4.0.3)
-    puma (4.3.1)
+    puma (4.3.12)
       nio4r (~> 2.0)
     rack (2.2.2)
     rack-protection (2.0.8.1)
@@ -315,7 +315,7 @@ DEPENDENCIES
   omniauth
   omniauth-google-oauth2
   pg
-  puma (~> 4.1)
+  puma (~> 4.3)
   rails (~> 6.0.2, >= 6.0.2.1)
   sass-rails (>= 6)
   selenium-webdriver