diff --git a/reference-apps/shared/test-suite/requirements.txt b/reference-apps/shared/test-suite/requirements.txt
index d67cbc2..09d61d7 100644
--- a/reference-apps/shared/test-suite/requirements.txt
+++ b/reference-apps/shared/test-suite/requirements.txt
@@ -6,7 +6,7 @@ pytest-asyncio>=0.21.0
 pytest-timeout>=2.1.0
 
 # HTTP client for testing
-httpx>=0.24.0
+httpx>=0.28.1
 
 # Assertion helpers
 deepdiff>=6.3.0