diff --git a/Gemfile b/Gemfile
index e8067006be..40f1af00b0 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,7 +5,7 @@ ruby '>= 2.5.0', '< 3.0.0'
 
 gem 'pkg-config', '~> 1.4'
 
-gem 'puma', '~> 4.3'
+gem 'puma', '~> 5.2'
 gem 'rails', '~> 5.2.4.3'
 gem 'sprockets', '~> 3.7.2'
 gem 'thor', '~> 0.20'
diff --git a/Gemfile.lock b/Gemfile.lock
index 825146d2c4..9498521d9d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -375,7 +375,7 @@ GEM
     net-scp (3.0.0)
       net-ssh (>= 2.6.5, < 7.0.0)
     net-ssh (6.1.0)
-    nio4r (2.5.2)
+    nio4r (2.5.7)
     nokogiri (1.10.9)
       mini_portile2 (~> 2.4.0)
     nokogumbo (2.0.2)
@@ -437,7 +437,7 @@ GEM
     pry-rails (0.3.9)
       pry (>= 0.10.4)
     public_suffix (4.0.5)
-    puma (4.3.5)
+    puma (5.2.2)
       nio4r (~> 2.0)
     pundit (2.1.0)
       activesupport (>= 3.0.0)
@@ -756,7 +756,7 @@ DEPENDENCIES
   private_address_check (~> 0.5)
   pry-byebug (~> 3.9)
   pry-rails (~> 0.3)
-  puma (~> 4.3)
+  puma (~> 5.2)
   pundit (~> 2.1)
   rack (~> 2.2.3)
   rack-attack (~> 6.3)