diff --git a/Gemfile.lock b/Gemfile.lock
index df60a24..1ec2820 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -114,7 +114,9 @@ GEM
     mime-types (3.3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2020.0512)
-    mimemagic (0.3.5)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.14.1)
@@ -126,7 +128,7 @@ GEM
     pg (0.21.0)
     public_suffix (4.0.5)
     puma (3.12.6)
-    rack (2.2.3)
+    rack (2.2.3.1)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.2.4.3)