diff --git a/Gemfile.lock b/Gemfile.lock
index aa368b3..35f3842 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -200,7 +200,9 @@ 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_magick (4.11.0)
     mini_mime (1.0.2)
     mini_portile2 (2.5.0)
@@ -416,4 +418,4 @@ DEPENDENCIES
   whenever
 
 BUNDLED WITH
-   2.2.8
+   2.2.30