diff --git a/Gemfile.lock b/Gemfile.lock
index c0b84ff..2a37a81 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -126,16 +126,19 @@ 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 (5.14.0)
     msgpack (1.3.3)
     mustermann (1.1.1)
       ruby2_keywords (~> 0.0.1)
     nio4r (2.5.2)
-    nokogiri (1.10.9)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.11.5)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
     pg (1.2.3)
     popper_js (1.16.0)
     pry (0.13.1)
@@ -146,6 +149,7 @@ GEM
     public_suffix (4.0.4)
     puma (4.3.3)
       nio4r (~> 2.0)
+    racc (1.5.2)
     rack (2.2.2)
     rack-cors (1.1.1)
       rack (>= 2.0.0)