diff --git a/Gemfile.lock b/Gemfile.lock
index 0b7ecf5..d650307 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -105,7 +105,9 @@ 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 (2.4.0)
     minitest (5.14.0)
@@ -122,7 +124,7 @@ GEM
       ast (~> 2.4.0)
     public_suffix (4.0.5)
     puma (3.12.4)
-    rack (2.2.2)
+    rack (2.2.6.2)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.2.4.2)