diff --git a/Gemfile.lock b/Gemfile.lock
index 076cc2a0d..7843c0c04 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -422,7 +422,7 @@ GEM
       concurrent-ruby (~> 1.0, >= 1.0.2)
       sidekiq (>= 3.5)
       statsd-ruby (~> 1.4, >= 1.4.0)
-    oj (3.13.20)
+    oj (3.13.21)
     omniauth (1.9.2)
       hashie (>= 3.4.6)
       rack (>= 1.6.2, < 3)