diff --git a/e2e/ignore/composer.json b/e2e/ignore/composer.json
index 7c816ce..61bfa1c 100644
--- a/e2e/ignore/composer.json
+++ b/e2e/ignore/composer.json
@@ -1,7 +1,7 @@
 {
 	"require": {
 		"phpstan/phpstan": "^1.8.0",
-		"phpstan/extension-installer": "1.2.x-dev",
+		"phpstan/extension-installer": "1.4.x-dev",
 		"testing/test-extension": "^1.0"
 	},
 	"repositories": [