diff --git a/openapi_python_client/templates/pyproject.toml b/openapi_python_client/templates/pyproject.toml
index fab9cbc8e..33412b34b 100644
--- a/openapi_python_client/templates/pyproject.toml
+++ b/openapi_python_client/templates/pyproject.toml
@@ -14,7 +14,7 @@ include = ["CHANGELOG.md", "{{ package_name }}/py.typed"]
 
 [tool.poetry.dependencies]
 python = "^3.6"
-httpx = ">=0.15.4, <=0.22.0"
+httpx = ">=0.15.0, <=0.22.0"
 attrs = ">=20.1.0, <22.0"
 python-dateutil = "^2.8.0"