diff --git a/Gemfile.lock b/Gemfile.lock
index 99b1c28..76c5fae 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -139,7 +139,9 @@ GEM
     mime-types (3.3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.1009)
-    mimemagic (0.3.4)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (0.1.4)
     mini_portile2 (2.4.0)
     minitest (5.14.0)
@@ -255,7 +257,7 @@ GEM
     thor (1.0.1)
     thread_safe (0.3.6)
     tilt (2.0.8)
-    tzinfo (1.2.7)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uber (0.1.0)
     uglifier (3.2.0)