diff --git a/Gemfile.lock b/Gemfile.lock
index 4fbec307..eb5cee21 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -78,8 +78,8 @@ GEM
       zeitwerk (~> 2.2, >= 2.2.2)
     acts_as_list (0.9.19)
       activerecord (>= 3.0)
-    addressable (2.6.0)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     airbrussh (1.3.2)
       sshkit (>= 1.6.1, != 1.7.0)
     annotate (2.7.5)
@@ -232,7 +232,9 @@ GEM
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.0331)
-    mimemagic (0.3.5)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_magick (4.9.5)
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
@@ -277,7 +279,7 @@ GEM
     parser (2.6.3.0)
       ast (~> 2.4.0)
     popper_js (1.14.5)
-    public_suffix (3.1.1)
+    public_suffix (5.0.0)
     puma (4.3.5)
       nio4r (~> 2.0)
     rack (2.2.3)