diff --git a/Gemfile.lock b/Gemfile.lock
index 06d8bbf..3419fd7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -162,7 +162,9 @@ GEM
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.0331)
-    mimemagic (0.3.3)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_magick (4.9.5)
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
@@ -269,7 +271,7 @@ GEM
     thor (0.20.3)
     thread_safe (0.3.6)
     tilt (2.0.9)
-    tzinfo (1.2.7)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uber (0.1.0)
     uglifier (4.1.20)