diff --git a/Gemfile b/Gemfile
index 5454140ea60ed6..de4a6551947dcd 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,7 +5,7 @@ ruby '>= 2.5.0', '< 3.0.0'
 
 gem 'pkg-config', '~> 1.4'
 
-gem 'puma', '~> 5.1'
+gem 'puma', '~> 5.3'
 gem 'rails', '~> 5.2.4.4'
 gem 'sprockets', '~> 3.7.2'
 gem 'thor', '~> 1.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 7b677837f79a72..a8dcdf83709be7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -347,7 +347,9 @@ GEM
     mime-types (3.3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2020.0512)
-    mimemagic (0.3.5)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
     mini_portile2 (2.5.0)
     minitest (5.14.2)
@@ -358,7 +360,7 @@ GEM
     net-scp (3.0.0)
       net-ssh (>= 2.6.5, < 7.0.0)
     net-ssh (6.1.0)
-    nio4r (2.5.4)
+    nio4r (2.5.7)
     nokogiri (1.11.1)
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
@@ -429,7 +431,7 @@ GEM
     pry-rails (0.3.9)
       pry (>= 0.10.4)
     public_suffix (4.0.6)
-    puma (5.1.1)
+    puma (5.3.1)
       nio4r (~> 2.0)
     pundit (2.1.0)
       activesupport (>= 3.0.0)
@@ -769,7 +771,7 @@ DEPENDENCIES
   private_address_check (~> 0.5)
   pry-byebug (~> 3.9)
   pry-rails (~> 0.3)
-  puma (~> 5.1)
+  puma (~> 5.3)
   pundit (~> 2.1)
   rack (~> 2.2.3)
   rack-attack (~> 6.3)