diff --git a/Gemfile.lock b/Gemfile.lock
index a5674b3..31d1077 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -226,7 +226,7 @@ GEM
     listen (3.5.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
-    loofah (2.13.0)
+    loofah (2.18.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mercenary (0.3.6)
@@ -237,7 +237,7 @@ GEM
       jekyll-seo-tag (~> 2.1)
     minitest (5.15.0)
     multipart-post (2.1.1)
-    nokogiri (1.12.5-x86_64-linux)
+    nokogiri (1.13.6-x86_64-linux)
       racc (~> 1.4)
     octokit (4.20.0)
       faraday (>= 0.9)
@@ -252,7 +252,7 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.4.2)
+    rails-html-sanitizer (1.4.3)
       loofah (~> 2.3)
     railties (6.0.4.4)
       actionpack (= 6.0.4.4)