diff --git a/Gemfile b/Gemfile
index 71a85467ad..d9f063a3a5 100644
--- a/Gemfile
+++ b/Gemfile
@@ -166,7 +166,7 @@ gem "invisible_captcha", "~> 2.0"
 
 gem "newrelic_rpm", "~> 8.14"
 
-gem "oj", "~> 3.13"
+gem "oj", "~> 3.15"
 
 gem "hairtrigger", "~> 0.2.25"
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 50d485b2c1..abcc6fa660 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -375,7 +375,7 @@ GEM
       rack (>= 1.2, < 4)
       snaky_hash (~> 2.0)
       version_gem (~> 1.1)
-    oj (3.13.11)
+    oj (3.15.0)
     omniauth (2.1.1)
       hashie (>= 3.4.6)
       rack (>= 2.2.3)
@@ -725,7 +725,7 @@ DEPENDENCIES
   meta-tags
   newrelic_rpm (~> 8.14)
   noticed (~> 1.6)
-  oj (~> 3.13)
+  oj (~> 3.15)
   omniauth
   omniauth-facebook
   omniauth-github