diff --git a/Gemfile.lock b/Gemfile.lock
index 92588db..8b78aef 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -43,10 +43,11 @@ GEM
       nokogiri (>= 1.5.9)
     maruku (0.7.3)
     method_source (1.0.0)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.0)
     minitest (5.14.2)
-    nokogiri (1.10.10)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.4)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     parallel (1.20.0)
     parser (2.7.2.0)
       ast (~> 2.4.1)
@@ -55,6 +56,7 @@ GEM
     pry (0.13.1)
       coderay (~> 1.1)
       method_source (~> 1.0)
+    racc (1.6.0)
     rack (2.2.3)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)