diff --git a/Gemfile.lock b/Gemfile.lock
index 1d5c212..1ef658b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -141,7 +141,9 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (0.9.2)
-    mimemagic (0.3.3)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.1)
     mini_portile2 (2.4.0)
     minitest (5.14.0)
@@ -207,7 +209,7 @@ GEM
     rb-fsevent (0.10.3)
     rb-inotify (0.10.0)
       ffi (~> 1.0)
-    rdoc (6.1.1)
+    rdoc (6.3.2)
     react-rails (2.5.0)
       babel-transpiler (>= 0.7.0)
       connection_pool