diff --git a/Gemfile b/Gemfile
index f197dabed37222b97550f6f9690f79f63880c8ce..adb05da0bb5fa19175c8850bb3d0b54942a7d15e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,7 +4,7 @@ source 'https://rubygems.org'
 ruby '2.7.2'
 
 gem 'rails', '6.1.3.2'
-gem 'puma', '4.3.7'
+gem 'puma', '4.3.8'
 gem 'sass-rails', '5.1.0'
 gem 'uglifier', '4.2.0'
 gem 'mini_racer', '0.3.1'
diff --git a/Gemfile.lock b/Gemfile.lock
index 61402b3fdd58a778f39611ae869ad1ea9c085fc4..7ac770e6fd9404f703194fa7c11cab520d5b6d88 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -204,7 +204,7 @@ GEM
     pg (1.2.3)
     popper_js (1.16.0)
     public_suffix (4.0.6)
-    puma (4.3.7)
+    puma (4.3.8)
       nio4r (~> 2.0)
     pundit (2.1.0)
       activesupport (>= 3.0.0)
@@ -400,7 +400,7 @@ DEPENDENCIES
   nexus_cqrs_auth (= 0.0.4)
   nexus_domain_events (= 1.1.2)
   pg (= 1.2.3)
-  puma (= 4.3.7)
+  puma (= 4.3.8)
   pundit (= 2.1.0)
   pundit-matchers (= 1.6.0)
   rack-attack (= 6.5.0)