diff --git a/docs/Gemfile b/docs/Gemfile
index f9a358e..f9a6aba 100644
--- a/docs/Gemfile
+++ b/docs/Gemfile
@@ -3,7 +3,7 @@ source "https://rubygems.org"
 gem 'github-pages', group: :jekyll_plugins
 
 # Added at 2019-11-25 10:11:40 -0800 by jhoward:
-gem "nokogiri", "< 1.15.7"
+gem "nokogiri", "< 1.16.6"
 gem "jekyll", ">= 3.7"
 gem "kramdown", ">= 2.3.1"
 gem "jekyll-remote-theme"
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diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index c2c25b3..f347c3a 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -215,7 +215,7 @@ GEM
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.3.6)
-    mini_portile2 (2.8.5)
+    mini_portile2 (2.8.7)
     minima (2.5.1)
       jekyll (>= 3.5, < 5.0)
       jekyll-feed (~> 0.9)
@@ -223,7 +223,7 @@ GEM
     minitest (5.23.1)
     multipart-post (2.1.1)
     mutex_m (0.2.0)
-    nokogiri (1.15.6)
+    nokogiri (1.16.5)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
     octokit (4.20.0)
@@ -232,7 +232,7 @@ GEM
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     public_suffix (4.0.6)
-    racc (1.7.3)
+    racc (1.8.0)
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
@@ -272,7 +272,7 @@ DEPENDENCIES
   jekyll (>= 3.7)
   jekyll-remote-theme
   kramdown (>= 2.3.1)
-  nokogiri (< 1.15.7)
+  nokogiri (< 1.16.6)
 
 BUNDLED WITH
    2.1.4
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