diff --git a/Gemfile.lock b/Gemfile.lock
index 77c5b39..403795d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -133,7 +133,9 @@ GEM
     marcel (0.3.2)
       mimemagic (~> 0.3.2)
     method_source (0.9.0)
-    mimemagic (0.3.2)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.1)
     mini_portile2 (2.3.0)
     minitest (5.11.3)
@@ -235,7 +237,7 @@ GEM
       reform-rails (>= 0.1.4, < 0.2.0)
       trailblazer (~> 2.0.0)
       trailblazer-loader (>= 0.1.0)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uber (0.1.0)
     web-console (3.6.2)