diff --git a/Gemfile.lock b/Gemfile.lock
index b913c7e430..a929dfcb67 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -507,7 +507,7 @@ GEM
     mini_magick (5.3.1)
       logger
     mini_mime (1.1.5)
-    mini_portile2 (2.8.6)
+    mini_portile2 (2.8.9)
     minitest (6.0.2)
       drb (~> 2.0)
       prism (~> 1.5)