diff --git a/hatch.toml b/hatch.toml
index f3cf8a21b9b..153f47662e8 100644
--- a/hatch.toml
+++ b/hatch.toml
@@ -298,7 +298,7 @@ dependencies = [
     "pytest-cov",
     "requests",
     "hypothesis",
-    "httpx",
+    "httpx<0.28.0",
     "anyio{matrix:anyio:}",
     "fastapi{matrix:fastapi}"
 ]