diff --git a/phpstan-baseline.neon b/phpstan-baseline.neon
new file mode 100644
index 0000000..535259c
--- /dev/null
+++ b/phpstan-baseline.neon
@@ -0,0 +1,6 @@
+parameters:
+	ignoreErrors:
+		-
+			message: "#^Offset 'uri' on array\\{timed_out\\: bool, blocked\\: bool, eof\\: bool, unread_bytes\\: int, stream_type\\: string, wrapper_type\\: string, wrapper_data\\: mixed, mode\\: string, \\.\\.\\.\\} in isset\\(\\) always exists and is not nullable\\.$#"
+			count: 1
+			path: src/Sitemap/DumpingUrlset.php
diff --git a/phpstan.neon.dist b/phpstan.neon.dist
index 1fb2ba0..e7e4a6f 100644
--- a/phpstan.neon.dist
+++ b/phpstan.neon.dist
@@ -1,3 +1,6 @@
+includes:
+  - phpstan-baseline.neon
+
 parameters:
   level: max
   paths: