diff --git a/Gemfile.lock b/Gemfile.lock
index 15da9e4..7bbf5b2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -160,9 +160,11 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mimemagic (0.3.2)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (0.1.4)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.4.0)
     minitest (5.11.3)
     mongo (2.4.3)
       bson (>= 4.2.1, < 5.0.0)
@@ -187,8 +189,8 @@ GEM
     multi_json (1.12.2)
     multipart-post (2.0.0)
     nested_form (0.3.2)
-    nokogiri (1.8.5)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.10.10)
+      mini_portile2 (~> 2.4.0)
     origin (2.3.1)
     orm_adapter (0.5.0)
     paperclip (5.2.0)