diff --git a/Gemfile.lock b/Gemfile.lock
index a385bb7..93fdcfc 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)
     annotate (2.7.4)
       activerecord (>= 3.2, < 6.0)
       rake (>= 10.4, < 13.0)
@@ -135,7 +135,9 @@ GEM
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2018.0812)
-    mimemagic (0.3.2)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.1)
     mini_portile2 (2.4.0)
     minitest (5.14.0)
@@ -153,7 +155,7 @@ GEM
     pry (0.11.3)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
-    public_suffix (3.0.3)
+    public_suffix (4.0.7)
     puma (3.12.4)
     rack (2.2.2)
     rack-proxy (0.6.5)