diff --git a/phpstan-tests.neon b/phpstan-tests.neon
index 456c701991154bf70801ccf4cfb84267e87e5f48..106428cb7c0c48672ba8c06da021b7a698d21deb 100644
--- a/phpstan-tests.neon
+++ b/phpstan-tests.neon
@@ -1,5 +1,5 @@
 parameters:
-    level: 5
+    level: 6
     paths:
         - tests/
     symfony:
diff --git a/phpstan.neon b/phpstan.neon
index 7a24bad0e5a62316dcd048ba025cd1611cfd909a..449e180257837c620ee200281ed52fe940a5d7de 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -1,5 +1,5 @@
 parameters:
-    level: 5
+    level: 6
     paths:
         - src/
     symfony: