diff --git a/Gemfile.lock b/Gemfile.lock
index 09ab57e..d8bbd55 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -44,8 +44,8 @@ GEM
       tzinfo (~> 1.1)
     acts-as-taggable-on (6.5.0)
       activerecord (>= 5.0, < 6.1)
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     archive-zip (0.12.0)
       io-like (~> 0.3.0)
     arel (9.0.0)
@@ -121,7 +121,9 @@ GEM
     mime-types (3.3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2020.0425)
-    mimemagic (0.3.4)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.14.0)
@@ -136,7 +138,7 @@ GEM
       mime-types
       mimemagic (~> 0.3.0)
       terrapin (~> 0.6.0)
-    public_suffix (4.0.4)
+    public_suffix (5.0.0)
     puma (3.12.4)
     rack (2.2.2)
     rack-test (1.1.0)