diff --git a/Gemfile.lock b/Gemfile.lock
index e5237fd..8901d2e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -120,9 +120,11 @@ 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 (1.0.1)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.0)
     minitest (5.11.3)
     msgpack (1.2.9)
     multi_json (1.13.1)
@@ -131,14 +133,16 @@ GEM
     mustermann-grape (1.0.0)
       mustermann (~> 1.0.0)
     nio4r (2.3.1)
-    nokogiri (1.10.2)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.3)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     pg (1.1.4)
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     puma (3.12.1)
     que (0.14.3)
+    racc (1.6.0)
     rack (2.0.7)
     rack-accept (0.4.5)
       rack (>= 0.4)