diff --git a/pyproject.toml b/pyproject.toml
index 6202f0c..2fede4b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -60,7 +60,7 @@ dev = [
     "coverage>=7.16.0",
     "flit>=4.0.2",
     "httpx>=0.28.1",
-    "httpx2>=2.12.0",
+    "httpx2>=2.13.0",
     "pytest>=9.1.1",
     "ruff>=0.16.6",
     "ty>=0.0.79",