diff --git a/requirements-dev.txt b/requirements-dev.txt
index e303129..d05df46 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -5,7 +5,7 @@
 pytest==8.3.3
 pytest-cov==6.0.0
 black==24.10.0
-httpx==0.27.2
+httpx==0.28.0
 pytest-testdox==3.1.0
 mock==5.1.0
 pre-commit==4.0.1