diff --git a/Gemfile.lock b/Gemfile.lock
index e0a1ef3..1aca59f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -128,7 +128,9 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mimemagic (0.3.2)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_portile2 (2.2.0)
     minitest (5.10.3)
     mize (0.3.2)
@@ -291,7 +293,7 @@ GEM
       railties (>= 5.0)
     websocket-driver (0.6.5)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.2)
+    websocket-extensions (0.1.5)
     will_paginate (3.1.6)
 
 PLATFORMS