diff --git a/Gemfile b/Gemfile
index dacc8458d..314849ff2 100644
--- a/Gemfile
+++ b/Gemfile
@@ -10,7 +10,7 @@ gem "rails", "~> 7.0.2"
 # Use postgresql as the database for Active Record
 gem "pg", "~> 1.1"
 # Use Puma as the app server
-gem "puma", "~> 5.0"
+gem "puma", "~> 5.6"
 # The modern asset pipeline for Rails [https://github.com/rails/propshaft]
 gem "propshaft"
 # Bundle and transpile JavaScript [https://github.com/rails/jsbundling-rails]
diff --git a/Gemfile.lock b/Gemfile.lock
index be93cd4b3..bfff95f75 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -269,7 +269,7 @@ GEM
       byebug (~> 11.0)
       pry (>= 0.13, < 0.15)
     public_suffix (5.0.1)
-    puma (5.6.5)
+    puma (5.6.7)
       nio4r (~> 2.0)
     pundit (2.3.0)
       activesupport (>= 3.0.0)
@@ -474,7 +474,7 @@ DEPENDENCIES
   postcodes_io
   propshaft
   pry-byebug
-  puma (~> 5.0)
+  puma (~> 5.6)
   pundit
   rack (>= 2.2.6.3)
   rack-attack