diff --git a/Gemfile.lock b/Gemfile.lock
index 37891b8..863fa9b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -53,8 +53,8 @@ GEM
       tzinfo (~> 1.1)
     acts_as_list (0.9.19)
       activerecord (>= 3.0)
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     anchored (1.1.0)
     arel (9.0.0)
     autoprefixer-rails (8.6.5)
@@ -380,7 +380,9 @@ GEM
     mime-types (3.3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2020.1104)
-    mimemagic (0.3.5)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_magick (4.11.0)
     mini_mime (1.0.2)
     mini_portile2 (2.5.0)
@@ -439,7 +441,7 @@ GEM
     premailer-rails (1.11.1)
       actionmailer (>= 3)
       premailer (~> 1.7, >= 1.7.9)
-    public_suffix (4.0.6)
+    public_suffix (4.0.7)
     racc (1.5.2)
     rack (2.2.3)
     rack-attack (6.5.0)