From 5b338e6cf5df11ba7b7b0437d02199f834fa9c1f Mon Sep 17 00:00:00 2001
From: Greg Bowler <greg@g105b.com>
Date: Fri, 10 Oct 2025 19:55:07 +0100
Subject: [PATCH] Add JetBrains sponsorship to README with H1 heading

---
 README.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/README.md b/README.md
index ab97b88..eeb2c00 100644
--- a/README.md
+++ b/README.md
@@ -26,3 +26,9 @@ This repository is an implementation of the PSR-7 interfaces for use within PHP.
 </a>
 
 [fig]: https://www.php-fig.org/psr/psr-7/
+
+# Proudly sponsored by
+
+[JetBrains Open Source sponsorship program](https://www.jetbrains.com/community/opensource/)
+
+[![JetBrains logo.](https://resources.jetbrains.com/storage/products/company/brand/logos/jetbrains.svg)](https://www.jetbrains.com/community/opensource/)