diff --git a/Gemfile.lock b/Gemfile.lock
index fed17303..ba800168 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -110,6 +110,7 @@ GEM
     marcel (1.0.4)
     method_source (1.0.0)
     mini_mime (1.1.5)
+    mini_portile2 (2.8.7)
     minitest (5.18.0)
     minitest-stub_any_instance (1.0.3)
     msgpack (1.7.0)