diff --git a/Gemfile.lock b/Gemfile.lock
index 9728386..5c94a92 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -124,14 +124,15 @@ GEM
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.0331)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.0)
     minitest (5.11.3)
     multi_json (1.13.1)
     neat (1.9.1)
       sass (>= 3.3)
       thor (~> 0.19)
-    nokogiri (1.10.3)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.4)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     padrino-helpers (0.13.3.4)
       i18n (~> 0.6, >= 0.6.7)
       padrino-support (= 0.13.3.4)
@@ -140,6 +141,7 @@ GEM
       activesupport (>= 3.1)
     parallel (1.17.0)
     public_suffix (3.0.3)
+    racc (1.6.0)
     rack (2.0.7)
     rack-livereload (0.3.17)
       rack