diff --git a/Gemfile.lock b/Gemfile.lock
index 6f47c77..fe814ab 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -152,7 +152,7 @@ GEM
     mimemagic (0.3.3)
     mini_magick (4.9.5)
     mini_mime (1.0.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.6.1)
     minitest (5.12.0)
     msgpack (1.3.1)
     multi_json (1.13.1)
@@ -160,8 +160,9 @@ GEM
     multipart-post (2.1.1)
     mustermann (1.0.3)
     nio4r (2.5.1)
-    nokogiri (1.10.4)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     nyan-cat-formatter (0.12.0)
       rspec (>= 2.99, >= 2.14.2, < 4)
     oauth2 (1.4.1)
@@ -188,6 +189,7 @@ GEM
       pry (>= 0.10.4)
     public_suffix (4.0.1)
     puma (3.12.1)
+    racc (1.5.2)
     rack (2.0.7)
     rack-cors (1.0.3)
     rack-protection (2.0.7)