diff --git a/Gemfile.lock b/Gemfile.lock
index 6c4aa0f..02c9ef2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -87,8 +87,8 @@ GEM
       tzinfo (~> 1.1)
     acts-as-taggable-on (6.0.0)
       activerecord (~> 5.0)
-    addressable (2.6.0)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     afm (0.2.2)
     almond-rails (0.1.0)
       rails (>= 4.2, < 6)
@@ -302,7 +302,9 @@ 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_magick (4.9.5)
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
@@ -354,7 +356,7 @@ GEM
     poppler (3.3.7)
       cairo-gobject (= 3.3.7)
       gio2 (= 3.3.7)
-    public_suffix (3.1.1)
+    public_suffix (4.0.7)
     puma (3.12.1)
     rack (2.0.7)
     rack-test (1.1.0)