diff --git a/pkgs/tools/misc/html-proofer/Gemfile.lock b/pkgs/tools/misc/html-proofer/Gemfile.lock
index 846b465bfd8c..8f50d842308e 100644
--- a/pkgs/tools/misc/html-proofer/Gemfile.lock
+++ b/pkgs/tools/misc/html-proofer/Gemfile.lock
@@ -22,7 +22,7 @@ GEM
     html-proofer (5.0.8)
       addressable (~> 2.3)
       async (~> 2.1)
-      nokogiri (~> 1.13)
+      nokogiri (~> 1.16.0)
       pdf-reader (~> 2.11)
       rainbow (~> 3.0)
       typhoeus (~> 1.3)
@@ -30,7 +30,7 @@ GEM
       zeitwerk (~> 2.5)
     io-event (1.2.3)
     mini_portile2 (2.8.4)
-    nokogiri (1.15.4)
+    nokogiri (1.16.0)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
     pdf-reader (2.11.0)
diff --git a/pkgs/tools/misc/html-proofer/gemset.nix b/pkgs/tools/misc/html-proofer/gemset.nix
index 45ad23f7ab0a..1485ab4e5062 100644
--- a/pkgs/tools/misc/html-proofer/gemset.nix
+++ b/pkgs/tools/misc/html-proofer/gemset.nix
@@ -140,10 +140,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0k9w2z0953mnjrsji74cshqqp08q7m1r6zhadw1w0g34xzjh3a74";
+      sha256 = "1l8b0i24h4irivyhwy9xmkjbggw86cxkzkiqdqg0jpcp9qc8h4rl";
       type = "gem";
     };
-    version = "1.15.4";
+    version = "1.16.0";
   };
   pdf-reader = {
     dependencies = ["Ascii85" "afm" "hashery" "ruby-rc4" "ttfunk"];