diff --git a/composer.json b/composer.json
index b593c05..b43986c 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,7 @@
   },
   "require-dev": {
     "alleyinteractive/alley-coding-standards": "^2.0",
-    "phpstan/phpstan": "1.12.0",
+    "phpstan/phpstan": "1.12.3",
     "szepeviktor/phpstan-wordpress": "^1.3"
   },
   "minimum-stability": "dev",