diff --git a/Gemfile.lock b/Gemfile.lock
index f0cc569..a24707c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -187,7 +187,9 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (1.0.0)
-    mimemagic (0.3.5)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.14.2)
@@ -421,4 +423,4 @@ RUBY VERSION
    ruby 2.6.3p62
 
 BUNDLED WITH
-   2.1.4
+   2.3.6