diff --git a/composer.json b/composer.json
index 421a284..22094c3 100644
--- a/composer.json
+++ b/composer.json
@@ -27,7 +27,9 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^9.6|^10.0",
-        "vimeo/psalm": "^5.22"
+        "phpstan/extension-installer": "^1.4",
+        "phpstan/phpstan": "^1.11",
+        "phpstan/phpstan-strict-rules": "^1.6"
     },
     "autoload-dev": {
         "psr-4": {
diff --git a/phpstan.neon b/phpstan.neon
new file mode 100644
index 0000000..f913176
--- /dev/null
+++ b/phpstan.neon
@@ -0,0 +1,12 @@
+includes:
+  - phar://phpstan.phar/conf/bleedingEdge.neon
+parameters:
+  level: 1
+  strictRules:
+    allRules: true
+  fileExtensions:
+    - php
+  paths:
+    - src
+  tmpDir: vendor/.cache.phpstan
+  reportUnmatchedIgnoredErrors: false
diff --git a/psalm.xml b/psalm.xml
deleted file mode 100644
index 7d47ed8..0000000
--- a/psalm.xml
+++ /dev/null
@@ -1,16 +0,0 @@
-<?xml version="1.0"?>
-<psalm
-    errorLevel="4"
-    resolveFromConfigFile="true"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xmlns="https://getpsalm.org/schema/config"
-    xsi:schemaLocation="https://getpsalm.org/schema/config vendor/vimeo/psalm/config.xsd"
->
-    <issueHandlers>
-        <RedundantCondition errorLevel="suppress"/>
-        <RedundantCast errorLevel="suppress"/>
-    </issueHandlers>
-    <projectFiles>
-        <directory name="src" />
-    </projectFiles>
-</psalm>