diff --git a/Gemfile b/Gemfile
index d9965e7da..2ab313754 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,7 +5,7 @@ ruby '>= 2.4.0', '< 2.7.0'
 
 gem 'pkg-config', '~> 1.3'
 
-gem 'puma', '~> 4.1'
+gem 'puma', '~> 4.2'
 gem 'rails', '~> 5.2.3'
 gem 'thor', '~> 0.20'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 3af98a43d..a796d1aae 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -445,7 +445,7 @@ GEM
     pry-rails (0.3.9)
       pry (>= 0.10.4)
     public_suffix (4.0.1)
-    puma (4.1.1)
+    puma (4.2.0)
       nio4r (~> 2.0)
     pundit (2.1.0)
       activesupport (>= 3.0.0)
@@ -752,7 +752,7 @@ DEPENDENCIES
   private_address_check (~> 0.5)
   pry-byebug (~> 3.7)
   pry-rails (~> 0.3)
-  puma (~> 4.1)
+  puma (~> 4.2)
   pundit (~> 2.1)
   rack-attack (~> 6.1)
   rack-cors (~> 1.0)