diff --git a/Gemfile.lock b/Gemfile.lock
index 7e74a65..ca07676 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -92,17 +92,21 @@ 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 (2.5.1)
     minitest (5.11.3)
     msgpack (1.2.9)
     multipart-post (2.0.0)
     mustermann (1.0.3)
     nio4r (2.3.1)
-    nokogiri (1.10.2)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.11.4)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
     puma (3.12.1)
+    racc (1.5.2)
     rack (2.0.7)
     rack-cors (1.0.3)
     rack-protection (2.0.5)