diff --git a/composer.json b/composer.json
index fb47b00..0479467 100644
--- a/composer.json
+++ b/composer.json
@@ -63,7 +63,7 @@
 		"pronamic/wp-coding-standards": "^2.0",
 		"roots/wordpress": "^6.0",
 		"szepeviktor/phpstan-wordpress": "^1.3",
-		"vimeo/psalm": "^0.3.14",
+		"vimeo/psalm": "^5.25",
 		"wp-cli/wp-cli": "^2.5",
 		"wp-phpunit/wp-phpunit": "^6.1",
 		"yoast/phpunit-polyfills": "^1.0"