diff --git a/Gemfile.lock b/Gemfile.lock
index c319b44..594be12 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -144,20 +144,24 @@ GEM
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2018.0812)
-    mimemagic (0.3.3)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_magick (4.9.2)
     mini_mime (1.0.1)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.5.1)
     minitest (5.11.3)
     momentjs-rails (2.20.1)
       railties (>= 3.1)
     multi_json (1.13.1)
     multipart-post (2.0.0)
     nio4r (2.3.1)
-    nokogiri (1.10.1)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.11.4)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
     pg (1.1.4)
     puma (3.12.0)
+    racc (1.5.2)
     rack (2.0.6)
     rack-cors (1.0.2)
     rack-protection (2.0.5)