diff --git a/Gemfile.lock b/Gemfile.lock
index d526ea285..67fd9f75f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -561,7 +561,7 @@ GEM
     octokit (4.25.0)
       faraday (>= 1, < 3)
       sawyer (~> 0.9)
-    oj (3.13.14)
+    oj (3.13.15)
     omniauth (2.1.0)
       hashie (>= 3.4.6)
       rack (>= 2.2.3)
diff --git a/vendor/cache/oj-3.13.14.gem b/vendor/cache/oj-3.13.14.gem
deleted file mode 100644
index cb3f4fb8d..000000000
Binary files a/vendor/cache/oj-3.13.14.gem and /dev/null differ
diff --git a/vendor/cache/oj-3.13.15.gem b/vendor/cache/oj-3.13.15.gem
new file mode 100644
index 000000000..21a002caf
Binary files /dev/null and b/vendor/cache/oj-3.13.15.gem differ