diff --git a/Gemfile.lock b/Gemfile.lock
index 5eccf1b0..6a4f5670 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -172,7 +172,7 @@ GEM
     marcel (1.0.4)
     matrix (0.4.2)
     mini_mime (1.1.5)
-    mini_portile2 (2.8.7)
+    mini_portile2 (2.8.8)
     minitest (5.25.1)
     minitest-ci (3.4.0)
       minitest (>= 5.0.6)