diff --git a/Gemfile b/Gemfile
index a1482718f9243a11a92ae8ee73188b7de6bc0c15..ae8c07dbdb8dd2823506dc166aa0e13cf058b33d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -536,7 +536,7 @@ gem 'valid_email', '~> 0.1'
 # JSON
 gem 'json', '~> 2.5.1'
 gem 'json_schemer', '~> 0.2.18'
-gem 'oj', '~> 3.13.19'
+gem 'oj', '~> 3.13.20'
 gem 'multi_json', '~> 1.14.1'
 gem 'yajl-ruby', '~> 1.4.3', require: 'yajl'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 5a630a545a38c86fa720812ceb077fdef7787b8f..366dc9d624adc8da47313a36fcf5d0709273ab5d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -879,7 +879,7 @@ GEM
       plist (~> 3.1)
       train-core
       wmi-lite (~> 1.0)
-    oj (3.13.19)
+    oj (3.13.20)
     omniauth (1.9.1)
       hashie (>= 3.4.6)
       rack (>= 1.6.2, < 3)
@@ -1646,7 +1646,7 @@ DEPENDENCIES
   oauth2 (~> 2.0)
   octokit (~> 4.15)
   ohai (~> 16.10)
-  oj (~> 3.13.19)
+  oj (~> 3.13.20)
   omniauth (~> 1.8)
   omniauth-alicloud (~> 1.0.1)
   omniauth-atlassian-oauth2 (~> 0.2.0)