diff --git a/cloud-sql/postgres/activerecord/Gemfile b/cloud-sql/postgres/activerecord/Gemfile
index d38014e88..eab2e93fe 100644
--- a/cloud-sql/postgres/activerecord/Gemfile
+++ b/cloud-sql/postgres/activerecord/Gemfile
@@ -6,7 +6,7 @@ gem "rails", "~> 7.0", "<7.1"
 # Use postgres as the database for Active Record
 gem "pg", "~> 1.5"
 # Use Puma as the app server
-gem "puma", "~> 6.3"
+gem "puma", "~> 6.4"
 # Use SCSS for stylesheets
 gem "sass-rails", "~> 6.0"
 # Use Uglifier as compressor for JavaScript assets
diff --git a/cloud-sql/postgres/activerecord/Gemfile.lock b/cloud-sql/postgres/activerecord/Gemfile.lock
index 9344eefeb..7f9d710a2 100644
--- a/cloud-sql/postgres/activerecord/Gemfile.lock
+++ b/cloud-sql/postgres/activerecord/Gemfile.lock
@@ -117,11 +117,11 @@ GEM
       timeout
     net-smtp (0.4.0)
       net-protocol
-    nio4r (2.5.9)
+    nio4r (2.7.0)
     nokogiri (1.15.4-x86_64-linux)
       racc (~> 1.4)
     pg (1.5.4)
-    puma (6.4.0)
+    puma (6.4.2)
       nio4r (~> 2.0)
     racc (1.7.1)
     rack (2.2.8)
@@ -237,7 +237,7 @@ DEPENDENCIES
   jbuilder (~> 2.11)
   listen (~> 3.8)
   pg (~> 1.5)
-  puma (~> 6.3)
+  puma (~> 6.4)
   rails (~> 7.0, < 7.1)
   rspec-rails (~> 6.0.3)
   rspec_junit_formatter