diff --git a/README.md b/README.md
index f7a1790..621713e 100644
--- a/README.md
+++ b/README.md
@@ -132,7 +132,7 @@ Once everything is ready visit: `http://localhost:8080`
 
 ## Run tests & static analysis
 
-Testing requires xdebug and sqlite php extensions.
+Testing requires xdebug, php-zip and sqlite php extensions.
 
 ```
 vendor/bin/phpunit