diff --git a/Gemfile b/Gemfile
index 26a0c96c..8c631cf6 100644
--- a/Gemfile
+++ b/Gemfile
@@ -15,7 +15,7 @@ gem "terser"
 gem "pg"
 
 # Use the Puma web server [https://github.com/puma/puma]
-gem "puma", "~> 6.0"
+gem "puma", "~> 6.4"
 
 # Use JavaScript with ESM import maps [https://github.com/rails/importmap-rails]
 gem "importmap-rails"
diff --git a/Gemfile.lock b/Gemfile.lock
index 938386fa..783ab701 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -270,7 +270,7 @@ GEM
     psych (5.1.2)
       stringio
     public_suffix (5.0.4)
-    puma (6.4.0)
+    puma (6.4.2)
       nio4r (~> 2.0)
     pundit (2.3.1)
       activesupport (>= 3.0.0)
@@ -490,7 +490,7 @@ DEPENDENCIES
   pg
   pg_search
   propshaft
-  puma (~> 6.0)
+  puma (~> 6.4)
   pundit
   rack-cors
   rails (~> 7.0.3)