diff --git a/Gemfile.lock b/Gemfile.lock
index dfb2968..c13f1c3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -283,7 +283,9 @@ GEM
       rack-contrib (>= 1.1, < 3)
       railties (>= 3.0.0, < 7)
     method_source (1.0.0)
-    mimemagic (0.3.4)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_histogram (0.1.3)
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
@@ -395,7 +397,7 @@ GEM
     rb-fsevent (0.10.3)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rdoc (6.2.1)
+    rdoc (6.3.2)
     redis (4.0.3)
     redis-actionpack (5.2.0)
       actionpack (>= 5, < 7)