diff --git a/Gemfile b/Gemfile
index e8067006be7e2fa12ab1aa68b1207a770a738143..074fdccd9113c3a445615e23e031890a8d450a6e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -69,7 +69,7 @@ gem 'mime-types', '~> 3.3.1', require: 'mime/types/columnar'
 gem 'nilsimsa', git: 'https://github.com/witgo/nilsimsa', ref: 'fd184883048b922b176939f851338d0a4971a532'
 gem 'nokogiri', '~> 1.10'
 gem 'nsa', '~> 0.2'
-gem 'oj', '~> 3.10'
+gem 'oj', '~> 3.13'
 gem 'ox', '~> 2.13'
 gem 'parslet'
 gem 'parallel', '~> 1.19'
diff --git a/Gemfile.lock b/Gemfile.lock
index 825146d2c4b6affb5f2423e3461866e60c3e3659..dde1179740ed942c656d64675da7385c1498f043 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -4,6 +4,7 @@ GIT
   ref: e65246bea49374566a9dbaead59fdb35b46b086d
   specs:
     hcaptcha (6.0.1)
+      json
 
 GIT
   remote: https://github.com/ianheggie/health_check
@@ -385,7 +386,7 @@ GEM
       concurrent-ruby (~> 1.0, >= 1.0.2)
       sidekiq (>= 3.5)
       statsd-ruby (~> 1.4, >= 1.4.0)
-    oj (3.10.6)
+    oj (3.13.20)
     omniauth (1.9.1)
       hashie (>= 3.4.6)
       rack (>= 1.6.2, < 3)
@@ -738,7 +739,7 @@ DEPENDENCIES
   nilsimsa!
   nokogiri (~> 1.10)
   nsa (~> 0.2)
-  oj (~> 3.10)
+  oj (~> 3.13)
   omniauth (~> 1.9)
   omniauth-cas (~> 1.1)
   omniauth-saml (~> 1.10)