diff --git a/Gemfile b/Gemfile
index 9705919..0f14f07 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ gem 'rails', '~> 6.0.2', '>= 6.0.2.2'
 # Use sqlite3 as the database for Active Record
 gem 'sqlite3', '~> 1.4', group: :development
 # Use Puma as the app server
-gem 'puma', '~> 4.3.5'
+gem 'puma', '~> 4.3.8'
 # 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 fc68273..e5491db 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -103,18 +103,20 @@ GEM
     mime-types (3.3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.1009)
-    mimemagic (0.3.4)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.14.0)
     msgpack (1.3.3)
     multi_xml (0.6.0)
-    nio4r (2.5.2)
+    nio4r (2.5.7)
     nokogiri (1.10.9)
       mini_portile2 (~> 2.4.0)
     pg (1.2.3)
     public_suffix (4.0.4)
-    puma (4.3.5)
+    puma (4.3.8)
       nio4r (~> 2.0)
     rack (2.2.2)
     rack-proxy (0.6.5)
@@ -228,7 +230,7 @@ DEPENDENCIES
   jbuilder (~> 2.7)
   listen (>= 3.0.5, < 3.2)
   pg
-  puma (~> 4.3.5)
+  puma (~> 4.3.8)
   rails (~> 6.0.2, >= 6.0.2.2)
   rails_12factor
   sass-rails (>= 6)