diff --git a/README.md b/README.md
index 6e6eecb..b2b2346 100644
--- a/README.md
+++ b/README.md
@@ -209,6 +209,7 @@ install-php-extensions @composer-2.0.2
 | xdebug | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
 | xhprof | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
 | xlswriter |  |  | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |  |
+| xmldiff | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
 | xmlrpc | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
 | xsl | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
 | yaml | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
@@ -217,7 +218,7 @@ install-php-extensions @composer-2.0.2
 | zookeeper | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
 | zstd | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
 
-*Number of supported extensions: 105*
+*Number of supported extensions: 106*
 <!-- END OF EXTENSIONS TABLE -->
 
 PS: the pre-installed PHP extensions are excluded from this list.