diff --git a/phpstan.neon b/phpstan.neon
new file mode 100644
index 0000000..28d1b1e
--- /dev/null
+++ b/phpstan.neon
@@ -0,0 +1,13 @@
+parameters:
+
+    paths:
+        - classes
+        - compressors
+        - console
+        - exceptions
+        - lib
+
+    # The level 8 is the highest level
+    level: 6
+
+    checkMissingIterableValueType: false