diff --git a/.phive/phars.xml b/.phive/phars.xml
index be9ae39..848f478 100644
--- a/.phive/phars.xml
+++ b/.phive/phars.xml
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phive xmlns="https://phar.io/phive">
-  <phar name="phpstan" version="2.1.40" installed="2.1.40" location="./tools/phpstan" copy="false"/>
+  <phar name="phpstan" version="2.1.55" installed="2.1.55" location="./tools/phpstan" copy="false"/>
 </phive>