diff --git a/Gemfile.lock b/Gemfile.lock
index bc2b3db..32246ae 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -47,8 +47,8 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.6.0)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     annotate (2.7.5)
       activerecord (>= 3.2, < 7.0)
       rake (>= 10.4, < 13.0)
@@ -127,7 +127,9 @@ GEM
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.0331)
-    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)
@@ -144,7 +146,7 @@ GEM
     parser (2.6.3.0)
       ast (~> 2.4.0)
     pg (1.1.4)
-    public_suffix (3.0.3)
+    public_suffix (4.0.7)
     puma (3.12.1)
     rack (2.0.7)
     rack-cors (1.0.3)