diff --git a/Gemfile.lock b/Gemfile.lock
index 41b92db..86d7875 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -68,15 +68,18 @@ 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_mime (1.0.1)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.0)
     minitest (5.11.3)
     multi_xml (0.6.0)
     mysql2 (0.5.2)
     nio4r (2.3.1)
-    nokogiri (1.10.7)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.3)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     pandoc-ruby (2.0.2)
     paperclip (6.1.0)
       activemodel (>= 4.2.0)
@@ -84,6 +87,7 @@ GEM
       mime-types
       mimemagic (~> 0.3.0)
       terrapin (~> 0.6.0)
+    racc (1.6.0)
     rack (2.0.6)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)