diff --git a/Gemfile b/Gemfile
index d21459fcccbe1572e7465330c4b1c48e42255269..40a705a5fd3a2d7f11428e79a0596cd8483f925d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -134,7 +134,7 @@ group :development do
   gem 'memory_profiler'
   gem 'rubocop', '~> 1.30', require: false
   gem 'rubocop-rails', '~> 2.15', require: false
-  gem 'brakeman', '~> 5.2', require: false
+  gem 'brakeman', '~> 5.3', require: false
   gem 'bundler-audit', '~> 0.9', require: false
 
   gem 'capistrano', '~> 3.17'
diff --git a/Gemfile.lock b/Gemfile.lock
index b08a7ce2e4fdebd2d04b4a0623260739dee42441..414526353d85f72088a37a6cdc641aabcda5b909 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -116,7 +116,7 @@ GEM
       ffi (~> 1.14)
     bootsnap (1.13.0)
       msgpack (~> 1.2)
-    brakeman (5.2.3)
+    brakeman (5.3.1)
     browser (4.2.0)
     brpoplpush-redis_script (0.1.2)
       concurrent-ruby (~> 1.0, >= 1.0.5)
@@ -735,7 +735,7 @@ DEPENDENCIES
   binding_of_caller (~> 1.0)
   blurhash (~> 0.1)
   bootsnap (~> 1.13.0)
-  brakeman (~> 5.2)
+  brakeman (~> 5.3)
   browser
   bullet (~> 7.0)
   bundler-audit (~> 0.9)