diff --git a/Gemfile.lock b/Gemfile.lock
index bfac3d9..13de1f7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -113,9 +113,11 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (1.0.0)
-    mimemagic (0.3.5)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.5.1)
     minitest (5.14.1)
     msgpack (1.3.3)
     mustermann (1.1.1)
@@ -123,14 +125,16 @@ GEM
     mustermann-grape (1.0.1)
       mustermann (>= 1.0.0)
     nio4r (2.5.2)
-    nokogiri (1.10.10)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.11.5)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
     parallel (1.19.2)
     parser (2.7.1.4)
       ast (~> 2.4.1)
     pg (1.2.3)
     puma (4.3.5)
       nio4r (~> 2.0)
+    racc (1.5.2)
     rack (2.2.3)
     rack-accept (0.4.5)
       rack (>= 0.4)