core/core.services.yml | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/core/core.services.yml b/core/core.services.yml
index 7d7ff3e..4b1ba41 100644
--- a/core/core.services.yml
+++ b/core/core.services.yml
@@ -932,15 +932,21 @@ services:
   request_format_route_filter:
     class: Drupal\Core\Routing\RequestFormatRouteFilter
     tags:
+      # The request format route filter must run last.
       - { name: route_filter }
   method_filter:
     class: Drupal\Core\Routing\MethodFilter
     tags:
-      - { name: route_filter, priority: 1 }
+      # The HTTP method route filter must run first: based on the request method, content type request header-based
+      # route filtering (content_type_header_matcher) may or may not be necessary.
+      - { name: route_filter, priority: 10 }
   content_type_header_matcher:
     class: Drupal\Core\Routing\ContentTypeHeaderMatcher
     tags:
-      - { name: route_filter }
+      # The content type request header router filter must run before the request format route filter
+      # (request_format_route_filter), because without a valid request body (for HTTP methods that need it, such as POST
+      # and PATCH), no successful response is possible.
+      - { name: route_filter, priority: 5 }
   paramconverter_manager:
     class: Drupal\Core\ParamConverter\ParamConverterManager
     tags: