diff --git a/php/composer.json b/php/composer.json
index d3610acd9..1b6c871bf 100644
--- a/php/composer.json
+++ b/php/composer.json
@@ -19,7 +19,7 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^10.0",
-        "vimeo/psalm": "5.5.0",
+        "vimeo/psalm": "5.15.0",
         "friendsofphp/php-cs-fixer": "^3.5",
         "psalm/plugin-phpunit": "^0.18.0",
         "nikic/php-parser": "^4.14"