diff --git a/Gemfile.lock b/Gemfile.lock
index c3aba73..37e2459 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -131,14 +131,17 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (1.0.0)
-    mimemagic (0.3.4)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.6.1)
     minitest (5.14.0)
     mustermann (1.0.3)
     nio4r (2.5.2)
-    nokogiri (1.10.9)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.12.0)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     orm_adapter (0.5.0)
     parallel (1.19.1)
     parser (2.7.1.2)
@@ -148,6 +151,7 @@ GEM
       coderay (~> 1.1)
       method_source (~> 1.0)
     puma (3.12.4)
+    racc (1.5.2)
     rack (2.2.2)
     rack-protection (2.0.4)
       rack