diff --git a/Gemfile.lock b/Gemfile.lock
index 495e3f6..70ec4e3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -41,12 +41,14 @@ GEM
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     metaclass (0.0.4)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.0)
     minitest (5.11.3)
     mocha (1.8.0)
       metaclass (~> 0.0.1)
-    nokogiri (1.10.1)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.9)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
+    racc (1.6.0)
     rack (2.0.6)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)