diff --git a/Gemfile.lock b/Gemfile.lock
index 99b1c28..9acf397 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)
@@ -161,7 +163,7 @@ GEM
       slop (~> 3.4)
     public_suffix (3.0.0)
     puma (3.12.4)
-    rack (2.2.2)
+    rack (2.2.6.2)
     rack-cors (1.0.5)
       rack (>= 1.6.0)
     rack-test (1.1.0)