diff --git a/platformio/__init__.py b/platformio/__init__.py
index 9a8932bc..05168327 100644
--- a/platformio/__init__.py
+++ b/platformio/__init__.py
@@ -67,7 +67,7 @@ __install_requires__ = [
 ] + [
     # PIO Home requirements
     "ajsonrpc == 1.2.*",
-    "starlette >=0.19, <0.32",
+    "starlette >=0.19, <0.33",
     "uvicorn >=0.16, <0.24",
     "wsproto == 1.*",
 ]