diff --git a/Gemfile.lock b/Gemfile.lock
index 99b1c28..cb54431 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -46,8 +46,8 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.5.2)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     arel (9.0.0)
     ast (2.4.0)
     bcrypt (3.1.13)
@@ -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)
@@ -159,7 +161,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
       slop (~> 3.4)
-    public_suffix (3.0.0)
+    public_suffix (5.0.0)
     puma (3.12.4)
     rack (2.2.2)
     rack-cors (1.0.5)