diff --git a/composer.json b/composer.json
index 4afc89f..77176b5 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,7 @@
   "require-dev": {
     "alleyinteractive/alley-coding-standards": "^2.0",
     "nunomaduro/collision": "^6.4",
-    "phpstan/phpstan": "1.10.65",
+    "phpstan/phpstan": "1.10.66",
     "phpunit/phpunit": "^9.6.10",
     "szepeviktor/phpstan-wordpress": "^1.3"
   },