diff --git a/Gemfile.lock b/Gemfile.lock
index a706c6680..171e9b9d0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -563,7 +563,7 @@ GEM
     octokit (5.1.0)
       faraday (>= 1, < 3)
       sawyer (~> 0.9)
-    oj (3.13.17)
+    oj (3.13.18)
     omniauth (2.1.0)
       hashie (>= 3.4.6)
       rack (>= 2.2.3)
diff --git a/vendor/cache/oj-3.13.17.gem b/vendor/cache/oj-3.13.17.gem
deleted file mode 100644
index b894a3da1..000000000
Binary files a/vendor/cache/oj-3.13.17.gem and /dev/null differ
diff --git a/vendor/cache/oj-3.13.18.gem b/vendor/cache/oj-3.13.18.gem
new file mode 100644
index 000000000..b9ffc9c5d
Binary files /dev/null and b/vendor/cache/oj-3.13.18.gem differ