diff --git a/pyproject.toml b/pyproject.toml
index 6205afea..e4c1efb0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ classifiers = [
 ]
 dependencies = [
     "pydantic>=2.7.1",
-    "httpx>=0.27.0,<0.28.0",
+    "httpx>=0.27.0",
     "backoff>=2.2.1",
     "humanfriendly>=10.0",
     "requests>=2.21.0",