diff --git a/Gemfile.lock b/Gemfile.lock
index 0294af2..0ec7b1e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -149,7 +149,9 @@ GEM
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2018.0812)
-    mimemagic (0.3.3)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_magick (4.9.4)
     mini_mime (1.0.1)
     mini_portile2 (2.4.0)
@@ -207,7 +209,7 @@ GEM
     rb-inotify (0.10.0)
       ffi (~> 1.0)
     rb-readline (0.5.5)
-    rdoc (6.1.1)
+    rdoc (6.3.2)
     responders (2.4.1)
       actionpack (>= 4.2.0, < 6.0)
       railties (>= 4.2.0, < 6.0)