diff --git a/Gemfile.lock b/Gemfile.lock
index dcc31ff..a88ddac 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -98,7 +98,9 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (0.9.2)
-    mimemagic (0.3.4)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_magick (4.10.1)
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
@@ -152,7 +154,7 @@ GEM
     rb-fsevent (0.10.3)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.2.4)
+    rexml (3.2.5)
     rubocop (0.80.1)
       jaro_winkler (~> 1.5.1)
       parallel (~> 1.10)