diff --git a/Gemfile.lock b/Gemfile.lock
index a11b840..70d6b41 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -96,7 +96,9 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (0.9.2)
-    mimemagic (0.3.3)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.14.0)
@@ -107,7 +109,7 @@ GEM
     pg (1.2.2)
     public_suffix (4.0.3)
     puma (3.12.2)
-    rack (2.1.1)
+    rack (2.2.3.1)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.2.4.1)