diff --git a/Gemfile.lock b/Gemfile.lock
index d8f8800..6b386a6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -44,8 +44,8 @@ GEM
       tzinfo (~> 1.1)
     acts-as-taggable-on (6.0.0)
       activerecord (~> 5.0)
-    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)
     autoprefixer-rails (9.4.5)
       execjs
@@ -110,7 +110,9 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (0.9.2)
-    mimemagic (0.3.3)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.1)
     mini_portile2 (2.4.0)
     minitest (5.11.3)
@@ -119,7 +121,7 @@ GEM
     nokogiri (1.10.1)
       mini_portile2 (~> 2.4.0)
     pg (1.1.4)
-    public_suffix (3.0.3)
+    public_suffix (5.0.0)
     puma (3.12.0)
     rack (2.0.6)
     rack-test (1.1.0)