diff --git a/Gemfile b/Gemfile
index 00cd40ac..bffc9b87 100644
--- a/Gemfile
+++ b/Gemfile
@@ -15,7 +15,7 @@ gem 'sentry-rails'
 gem 'uktt', git: 'https://github.com/trade-tariff/uktt.git'
 gem 'webpacker'
 
-gem 'multipart-post', '2.3.0'
+gem 'multipart-post', '2.4.1'
 
 group :development, :test do
   gem 'brakeman'
diff --git a/Gemfile.lock b/Gemfile.lock
index 5646836a..73ca2bb0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -227,7 +227,7 @@ GEM
     mini_portile2 (2.8.7)
     minitest (5.24.1)
     msgpack (1.7.2)
-    multipart-post (2.3.0)
+    multipart-post (2.4.1)
     mutex_m (0.2.0)
     net-http-persistent (4.0.2)
       connection_pool (~> 2.2)
@@ -652,7 +652,7 @@ DEPENDENCIES
   listen
   lograge
   logstash-event
-  multipart-post (= 2.3.0)
+  multipart-post (= 2.4.1)
   pry-byebug
   pry-rails
   puma