diff --git a/Gemfile b/Gemfile
index e80312047..5f76abbb7 100644
--- a/Gemfile
+++ b/Gemfile
@@ -62,7 +62,7 @@ gem 'link_header', '~> 0.0'
 gem 'mime-types', '~> 3.3.1', require: 'mime/types/columnar'
 gem 'nokogiri', '~> 1.11'
 gem 'nsa', '~> 0.2'
-gem 'oj', '~> 3.11'
+gem 'oj', '~> 3.12'
 gem 'ox', '~> 2.14'
 gem 'parslet'
 gem 'parallel', '~> 1.20'
diff --git a/Gemfile.lock b/Gemfile.lock
index b6e5a12a0..eaea9ea63 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -374,7 +374,7 @@ GEM
       concurrent-ruby (~> 1.0, >= 1.0.2)
       sidekiq (>= 3.5)
       statsd-ruby (~> 1.4, >= 1.4.0)
-    oj (3.11.8)
+    oj (3.12.1)
     omniauth (1.9.1)
       hashie (>= 3.4.6)
       rack (>= 1.6.2, < 3)
@@ -733,7 +733,7 @@ DEPENDENCIES
   net-ldap (~> 0.17)
   nokogiri (~> 1.11)
   nsa (~> 0.2)
-  oj (~> 3.11)
+  oj (~> 3.12)
   omniauth (~> 1.9)
   omniauth-cas (~> 2.0)
   omniauth-rails_csrf_protection (~> 0.1)