diff --git a/projects/ampproject/fuzz_patch.diff b/projects/ampproject/fuzz_patch.diff
index 136d72bb9f69..08c48d1936ce 100644
--- a/projects/ampproject/fuzz_patch.diff
+++ b/projects/ampproject/fuzz_patch.diff
@@ -1,29 +1,27 @@
 diff --git a/validator/WORKSPACE b/validator/WORKSPACE
-index 6c84b0df12..71b0c4f670 100644
+index 0510b05..26e878c 100644
 --- a/validator/WORKSPACE
 +++ b/validator/WORKSPACE
-@@ -39,6 +39,13 @@ http_archive(
-     urls = ["https://github.com/google/re2/archive/d826d9fcb68c62996c1b7c0a45d604e22d814952.zip"],
+@@ -101,3 +101,10 @@ local_repository(
+     name = "amphtml-extensions",
+     path = "../extensions",
  )
- 
++
 +http_archive(
 +    name = "com_google_fuzztest",
 +    sha256 = "c75f224b34c3c62ee901381fb743f6326f7b91caae0ceb8fe62f3fd36f187627",
 +    strip_prefix = "fuzztest-58b4e7065924f1a284952b84ea827ce35a87e4dc",
 +    urls = ["https://github.com/google/fuzztest/archive/58b4e7065924f1a284952b84ea827ce35a87e4dc.zip"],
 +)
-+
- # rules_cc defines rules for generating C++ code from Protocol Buffers.
- http_archive(
-     name = "rules_cc",
 diff --git a/validator/cpp/htmlparser/BUILD b/validator/cpp/htmlparser/BUILD
-index 78de292015..84fe1cc250 100644
+index 3d31520..41bfd93 100644
 --- a/validator/cpp/htmlparser/BUILD
 +++ b/validator/cpp/htmlparser/BUILD
-@@ -372,6 +372,17 @@ cc_test(
+@@ -555,3 +555,15 @@ cc_test(
+         "@com_google_absl//absl/flags:flag",
      ],
  )
- 
++
 +cc_test(
 +    name = "parser_fuzz_test",
 +    srcs = ["parser_fuzz_test.cc"],
@@ -35,12 +33,9 @@ index 78de292015..84fe1cc250 100644
 +    ],
 +)
 +
- # Renders a node tree to html string.
- cc_library(
-     name = "renderer",
 diff --git a/validator/cpp/htmlparser/parser_fuzz_test.cc b/validator/cpp/htmlparser/parser_fuzz_test.cc
 new file mode 100644
-index 0000000000..2ad7194c22
+index 0000000..2ad7194
 --- /dev/null
 +++ b/validator/cpp/htmlparser/parser_fuzz_test.cc
 @@ -0,0 +1,10 @@