diff --git a/Gemfile.lock b/Gemfile.lock
index bd52eb84a..d4fa471bc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -464,9 +464,9 @@ GEM
       thread_safe (~> 0.3, >= 0.3.1)
     messagebus_ruby_api (1.0.3)
     method_source (0.8.2)
-    mime-types (3.0)
+    mime-types (3.1)
       mime-types-data (~> 3.2015)
-    mime-types-data (3.2016.0221)
+    mime-types-data (3.2016.0521)
     mimemagic (0.3.1)
     mini_magick (4.5.1)
     mini_portile2 (2.1.0)