diff --git a/micropython/mip/manifest.py b/micropython/mip/manifest.py
index 9fb94ebcb..a1b340670 100644
--- a/micropython/mip/manifest.py
+++ b/micropython/mip/manifest.py
@@ -1,4 +1,4 @@
-metadata(version="0.4.1", description="On-device package installer for network-capable boards")
+metadata(version="0.4.2", description="On-device package installer for network-capable boards")
 
 require("requests")
 
diff --git a/micropython/mip/mip/__init__.py b/micropython/mip/mip/__init__.py
index 7c0fb4d3a..ab48393d6 100644
--- a/micropython/mip/mip/__init__.py
+++ b/micropython/mip/mip/__init__.py
@@ -1,13 +1,14 @@
 # MicroPython package installer
 # MIT license; Copyright (c) 2022 Jim Mussared
 
-from micropython import const
-import requests
 import sys
 
+import requests
+
+from micropython import const
 
 _PACKAGE_INDEX = const("https://micropython.org/pi/v2")
-_CHUNK_SIZE = 128
+_CHUNK_SIZE = const(128)
 
 allowed_mip_url_prefixes = ("http://", "https://", "github:", "gitlab:")