diff --git a/Gemfile.lock b/Gemfile.lock
index 8196dbc1..a5803dde 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -150,7 +150,7 @@ GEM
     matrix (0.4.2)
     method_source (1.0.0)
     mini_mime (1.1.5)
-    mini_portile2 (2.8.4)
+    mini_portile2 (2.8.5)
     minitest (5.20.0)
     minitest-ci (3.4.0)
       minitest (>= 5.0.6)