diff --git a/Gemfile b/Gemfile
index b6cc8f4..92ce18c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,7 +5,7 @@ ruby '2.7.0'
 
 gem 'rails', '~> 6.0.2', '>= 6.0.2.2'
 gem 'pg', '>= 0.18', '< 2.0'
-gem 'puma', '~> 4.1'
+gem 'puma', '~> 4.3'
 # Reduces boot times through caching; required in config/boot.rb
 gem 'bootsnap', '>= 1.4.2', require: false
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
diff --git a/Gemfile.lock b/Gemfile.lock
index 57dbd8e..ea8c1f5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -137,12 +137,14 @@ 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)
     msgpack (1.3.3)
-    nio4r (2.5.2)
+    nio4r (2.5.7)
     nokogiri (1.10.9)
       mini_portile2 (~> 2.4.0)
     orm_adapter (0.5.0)
@@ -157,7 +159,7 @@ GEM
       pry (~> 0.13.0)
     pry-rails (0.3.9)
       pry (>= 0.10.4)
-    puma (4.3.3)
+    puma (4.3.8)
       nio4r (~> 2.0)
     rack (2.2.2)
     rack-test (1.1.0)
@@ -266,7 +268,7 @@ DEPENDENCIES
   pry
   pry-byebug
   pry-rails
-  puma (~> 4.1)
+  puma (~> 4.3)
   rails (~> 6.0.2, >= 6.0.2.2)
   rspec-rails (~> 4.0.0.beta)
   sass-rails