diff --git a/Gemfile.lock b/Gemfile.lock
index 1b80be7..ae2a64a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -248,7 +248,9 @@ GEM
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.0331)
-    mimemagic (0.3.3)
+    mimemagic (0.4.3)
+      nokogiri (~> 1)
+      rake
     mini_magick (4.9.4)
     mini_mime (1.0.1)
     mini_portile2 (2.4.0)
@@ -262,7 +264,7 @@ GEM
     multi_xml (0.6.0)
     multipart-post (2.1.0)
     nenv (0.3.0)
-    nokogiri (1.10.7)
+    nokogiri (1.10.10)
       mini_portile2 (~> 2.4.0)
     notiffany (0.1.1)
       nenv (~> 0.1)