diff --git a/Gemfile.lock b/Gemfile.lock
index f84585f..bcd1178 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -53,11 +53,13 @@ GEM
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     method_source (0.9.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.0)
     minitest (5.13.0)
-    nokogiri (1.10.5)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.9)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     popper_js (1.14.5)
+    racc (1.6.0)
     rack (2.0.7)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)