diff --git a/Gemfile.lock b/Gemfile.lock
index 8b1a43f6fb0..2c5a1e2d550 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -26,7 +26,7 @@ GEM
     faraday-rack (1.0.0)
     fastimage (2.2.3)
     method_source (1.0.0)
-    minitest (5.14.4)
+    minitest (5.18.0)
     multipart-post (2.1.1)
     octokit (4.21.0)
       faraday (>= 0.9)