diff --git a/composer.json b/composer.json
index 46127282b..c6b2860bd 100644
--- a/composer.json
+++ b/composer.json
@@ -45,7 +45,8 @@
         "siu/arai-cli": "*",
         "siu/arai-crypto": "*",
         "siu/arai-json-parser": "*",
-        "siu/manejador-salida-bootstrap": "~1.3"
+        "siu/manejador-salida-bootstrap": "~1.3",
+        "phpstan/phpstan": "^0.12.2"
     },
     "suggest": {
         "simplesamlphp/simplesamlphp": "Permite conectarse a un IDP centralizado (see onelogin)",
diff --git a/phpstan.neon b/phpstan.neon
new file mode 100644
index 000000000..944ac27b9
--- /dev/null
+++ b/phpstan.neon
@@ -0,0 +1,22 @@
+parameters:
+      paths:
+        - php/
+        - src/
+      autoload_directories:
+        - vendor
+        - php
+      autoload_files:
+        - vendor/autoload.php
+        - php/toba_autoload.php
+      excludes_analyse:
+        - php/3eros/
+        - php/instalacion/
+        - php/convenciones/
+        - php/modelo/migraciones_instancia/
+        - vendor/rospdf/
+        - vendor/ezyang/
+        - vendor/markbaker/
+        - vendor/simpletest/
+        - vendor/ircmaxell/
+        - vendor/pear/
+