diff --git a/Gemfile.lock b/Gemfile.lock
index ba5aef4..07b9954 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -90,19 +90,21 @@ GEM
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.0331)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.5.0)
     mini_racer (0.2.6)
       libv8 (>= 6.9.411)
     minitest (5.11.3)
     multi_json (1.13.1)
-    nokogiri (1.10.3)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.11.1)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
     padrino-helpers (0.12.9)
       i18n (~> 0.6, >= 0.6.7)
       padrino-support (= 0.12.9)
       tilt (>= 1.4.1, < 3)
     padrino-support (0.12.9)
       activesupport (>= 3.1)
+    racc (1.5.2)
     rack (1.6.11)
     rack-livereload (0.3.17)
       rack