diff --git a/Gemfile.lock b/Gemfile.lock
index 5bc72f4..ad5388d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -129,7 +129,7 @@ GEM
     matrix (0.4.2)
     method_source (1.0.0)
     mini_mime (1.1.5)
-    mini_portile2 (2.8.7)
+    mini_portile2 (2.8.8)
     minitest (5.25.1)
     msgpack (1.7.2)
     mysql2 (0.5.6)