diff --git a/Gemfile.lock b/Gemfile.lock
index b9b7840..e406b0d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -92,7 +92,9 @@ 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 (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.14.0)
@@ -171,7 +173,7 @@ GEM
     thread_safe (0.3.6)
     tins (1.24.1)
       sync
-    tzinfo (1.2.6)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     websocket-driver (0.7.1)
       websocket-extensions (>= 0.1.0)