diff --git a/Gemfile.lock b/Gemfile.lock
index 9512f7e..14c4516 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -44,7 +44,7 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.7.0)
+    addressable (2.8.0)
       public_suffix (>= 2.0.2, < 5.0)
     airbrussh (1.4.0)
       sshkit (>= 1.6.1, != 1.7.0)
@@ -153,7 +153,9 @@ 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 (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.12.2)
@@ -172,7 +174,7 @@ GEM
       ast (~> 2.4.0)
     pg (1.1.4)
     popper_js (1.14.5)
-    public_suffix (4.0.1)
+    public_suffix (4.0.6)
     puma (3.12.2)
     rack (2.0.8)
     rack-test (1.1.0)