diff --git a/Gemfile.lock b/Gemfile.lock
index f25bc69..287c819 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -125,7 +125,9 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (1.0.0)
-    mimemagic (0.3.5)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
     mini_portile2 (2.5.0)
     minitest (5.14.2)
@@ -149,7 +151,7 @@ GEM
       coderay (~> 1.1)
       method_source (~> 1.0)
     racc (1.5.2)
-    rack (2.2.3)
+    rack (2.2.6.2)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.2.4.4)