diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 94bcf4d1337a..4767a0eb0fc4 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -211,13 +211,20 @@ locations.
     └─ gd/
        ├─ libgd/                    # Bundled and modified GD library https://github.com/libgd/libgd
        └─ ...
+    └─ hash/
+       ├─ xxhash/                   # Bundled xxHash library https://github.com/Cyan4973/xxHash
+       └─ ...
+    └─ lexbor/
+       ├─ lexbor/                   # Bundled and modified Lexbor library https://github.com/lexbor/lexbor
+       └─ ...
     └─ mbstring/
        ├─ libmbfl/                  # Forked and maintained in php-src
        ├─ unicode_data.h            # Generated by `ext/mbstring/ucgendat/ucgendat.php`
        └─ ...
     └─ opcache/
        └─ jit/
-          └─ ir/                    # Bundled part of IR framework https://github.com/dstogov/ir
+          ├─ ir/                    # Bundled part of IR framework https://github.com/dstogov/ir
+          └─ ...
     └─ pcre/
        ├─ pcre2lib/                 # https://www.pcre.org/
        └─ ...
@@ -230,10 +237,14 @@ locations.
        ├─ credits_ext.h             # Generated by `scripts/dev/credits`
        ├─ credits_sapi.h            # Generated by `scripts/dev/credits`
        ├─ html_tables.h             # Generated by `ext/standard/html_tables/html_table_gen.php`
+       ├─ libavifinfo/              # Bundled libavifinfo https://aomedia.googlesource.com/libavifinfo
        └─ ...
     └─ tokenizer/
        ├─ tokenizer_data.c          # Generated by `ext/tokenizer/tokenizer_data_gen.sh`
        └─ ...
+    └─ uri/
+       ├─ uriparser/                # Bundled uriparser https://github.com/uriparser/uriparser
+       └─ ...
     └─ zend_test                    # For testing internal APIs. Not needed for regular builds.
        └─ ...
     └─ zip/                         # Bundled https://github.com/pierrejoye/php_zip
@@ -247,6 +258,8 @@ locations.
  └─ sapi/                           # PHP SAPI modules
     └─ cli/
        ├─ mime_type_map.h           # Generated by `sapi/cli/generate_mime_type_map.php`
+       ├─ php_http_parser.[ch]      # Forked from https://github.com/nodejs/http-parser
+       ├─ ps_title.c                # Adopted from https://github.com/postgres/postgres/blob/master/src/backend/utils/misc/ps_status.c
        └─ ...
     └─ ...
  ├─ scripts/                        # php-config, phpize and internal development scripts