diff --git a/Gemfile.lock b/Gemfile.lock
index 55b2516..9e47820 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -64,8 +64,8 @@ GEM
       minitest (~> 5.1)
       tzinfo (~> 1.1)
       zeitwerk (~> 2.2)
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     aws_cf_signer (0.1.3)
     bcrypt (3.1.13)
     bootsnap (1.4.5)
@@ -123,7 +123,9 @@ GEM
     mime-types (3.3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.1009)
-    mimemagic (0.3.3)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.13.0)
@@ -139,7 +141,7 @@ GEM
       method_source (~> 0.9.0)
     pry-rails (0.3.9)
       pry (>= 0.10.4)
-    public_suffix (4.0.3)
+    public_suffix (5.0.0)
     puma (4.3.1)
       nio4r (~> 2.0)
     rack (2.0.8)