diff --git a/setup.py b/setup.py
index 8ce4c8f..db30c44 100644
--- a/setup.py
+++ b/setup.py
@@ -18,7 +18,7 @@ def get_description():
     packages=["notion_client"],
     python_requires=">=3.7, <4",
     install_requires=[
-        "httpx >= 0.15.0",
+        "httpx >= 0.23.0",
     ],
     classifiers=[
         "Programming Language :: Python :: 3.7",