diff --git a/Gemfile b/Gemfile
index 9afe4b7..8dea699 100644
--- a/Gemfile
+++ b/Gemfile
@@ -43,7 +43,7 @@ group :development, :test do
   gem 'byebug', platforms: [:mri, :mingw, :x64_mingw]
   gem 'dotenv-rails'
   # Use Puma as the app server
-  gem 'puma', '~> 4.3.5'
+  gem 'puma', '~> 4.3.12'
 end
 
 group :development do
diff --git a/Gemfile.lock b/Gemfile.lock
index d108373..5f436e4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -180,7 +180,9 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (1.0.0)
-    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)
@@ -188,7 +190,7 @@ GEM
     net-scp (3.0.0)
       net-ssh (>= 2.6.5, < 7.0.0)
     net-ssh (6.0.2)
-    nio4r (2.5.2)
+    nio4r (2.5.8)
     nokogiri (1.10.9)
       mini_portile2 (~> 2.4.0)
     orm_adapter (0.5.0)
@@ -196,7 +198,7 @@ GEM
     polyamorous (2.3.2)
       activerecord (>= 5.2.1)
     public_suffix (4.0.4)
-    puma (4.3.5)
+    puma (4.3.12)
       nio4r (~> 2.0)
     rack (2.2.2)
     rack-proxy (0.6.5)
@@ -328,7 +330,7 @@ DEPENDENCIES
   jbuilder (~> 2.7)
   listen (>= 3.0.5, < 3.2)
   pg (>= 0.18, < 2.0)
-  puma (~> 4.3.5)
+  puma (~> 4.3.12)
   rails (~> 6.0.2, >= 6.0.2.2)
   rails-static-router
   sass-rails (>= 6)