diff --git a/Gemfile.lock b/Gemfile.lock
index 50cbde23..63ea8121 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -796,7 +796,9 @@ GEM
       railties (>= 3.0.0, < 5.0.0)
     method_source (0.8.2)
     mime-types (2.99.3)
-    mimemagic (0.3.2)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.0)
     mini_portile2 (2.3.0)
     minitest (5.11.3)
@@ -1025,7 +1027,7 @@ GEM
       simple_oauth (~> 0.2.0)
     typhoeus (1.0.2)
       ethon (>= 0.9.0)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uglifier (2.5.3)
       execjs (>= 0.3.0)