diff --git a/Gemfile.lock b/Gemfile.lock
index fd5843f..a57ba23 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -84,7 +84,9 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (0.9.2)
-    mimemagic (0.3.3)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.1)
     mini_portile2 (2.4.0)
     minitest (5.11.3)
@@ -105,7 +107,7 @@ GEM
       nio4r (~> 2.0)
     pundit (2.0.0.beta1)
       activesupport (>= 3.0.0)
-    rack (2.2.3)
+    rack (2.2.3.1)
     rack-cors (1.0.6)
       rack (>= 1.6.0)
     rack-test (1.1.0)