diff --git a/Gemfile.lock b/Gemfile.lock
index 992f6f4..12ac169 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -38,11 +38,11 @@ GEM
     faraday-retry (1.0.3)
     ffi (1.15.5)
     forwardable-extended (2.6.0)
-    html-proofer (3.19.3)
+    html-proofer (3.19.4)
       addressable (~> 2.3)
       mercenary (~> 0.3)
-      nokogiri (~> 1.12)
-      parallel (~> 1.3)
+      nokogiri (~> 1.13)
+      parallel (~> 1.10)
       rainbow (~> 3.0)
       typhoeus (~> 1.3)
       yell (~> 2.0)
@@ -72,7 +72,7 @@ GEM
       sassc (> 2.0.1, < 3.0)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    kramdown (2.3.2)
+    kramdown (2.4.0)
       rexml
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)
@@ -85,7 +85,7 @@ GEM
     multipart-post (2.1.1)
     neat (4.0.0)
       thor (~> 0.19)
-    nokogiri (1.13.4)
+    nokogiri (1.13.6)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     octokit (4.22.0)