diff --git a/Gemfile.lock b/Gemfile.lock
index d6b231053..46f3f34f7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -120,11 +120,12 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.0331)
     mini_mime (1.0.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.0)
     minitest (5.14.1)
     netrc (0.11.0)
-    nokogiri (1.10.9)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.4)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     parallel (1.19.1)
     parser (2.7.1.1)
       ast (~> 2.4.0)
@@ -134,6 +135,7 @@ GEM
       coderay (~> 1.1)
       method_source (~> 1.0)
     public_suffix (4.0.4)
+    racc (1.6.0)
     rack (1.6.13)
     rack-jekyll (0.5.0)
       jekyll (>= 1.3)