diff --git a/Gemfile b/Gemfile
index 3ba3b91f..fc909098 100644
--- a/Gemfile
+++ b/Gemfile
@@ -35,7 +35,7 @@ gem 'rails-i18n'
 gem 'ransack'
 gem 'rb-readline'
 gem 'rqrcode'
-gem 'secure_headers', '~> 6.3'
+gem 'secure_headers', '~> 7.3'
 gem 'sprockets'
 gem 'sprockets-rails'
 gem 'sqlite3'
diff --git a/Gemfile.lock b/Gemfile.lock
index a0562676..57d3e433 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -107,6 +107,7 @@ GEM
       rack-test (>= 0.6.3)
       regexp_parser (>= 1.5, < 3.0)
       xpath (~> 3.2)
+    cgi (0.5.2)
     chronic (0.10.2)
     chunky_png (1.4.0)
     climate_control (0.2.0)
@@ -420,7 +421,8 @@ GEM
       ffi (~> 1.12)
       logger
     rubyzip (2.4.1)
-    secure_headers (6.7.0)
+    secure_headers (7.3.0)
+      cgi (>= 0.1)
     securerandom (0.4.1)
     selenium-webdriver (4.10.0)
       rexml (~> 3.2, >= 3.2.5)
@@ -557,7 +559,7 @@ DEPENDENCIES
   rubocop
   rubocop-performance
   rubocop-rails
-  secure_headers (~> 6.3)
+  secure_headers (~> 7.3)
   shoulda-context
   sprockets
   sprockets-rails