diff --git a/README.md b/README.md
index 50b5bd6..1b7c226 100644
--- a/README.md
+++ b/README.md
@@ -157,13 +157,14 @@ install-php-extensions @composer-2.0.2
 | wddx | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |  |  |
 | xdebug | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
 | xhprof | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
+| xlswriter |  |  | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
 | xmlrpc | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |  |
 | xsl | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
 | yaml | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
 | zip | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
 | zookeeper | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |  |
 
-*Number of supported extensions: 89*
+*Number of supported extensions: 90*
 <!-- END OF EXTENSIONS TABLE -->
 
 PS: the pre-installed PHP extensions are excluded from this list.