diff --git a/.gitmodules b/.gitmodules
index 9130593f2c..c25239882e 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -116,7 +116,7 @@
 	url = https://github.com/adafruit/Adafruit_CircuitPython_Register.git
 [submodule "extmod/ulab"]
 	path = extmod/ulab
-	url = https://github.com/adafruit/circuitpython-ulab
+	url = https://github.com/v923z/micropython-ulab/
 [submodule "frozen/Adafruit_CircuitPython_ESP32SPI"]
 	path = frozen/Adafruit_CircuitPython_ESP32SPI
 	url = https://github.com/adafruit/Adafruit_CircuitPython_ESP32SPI
diff --git a/extmod/ulab b/extmod/ulab
index 42d831e1e6..66b89de8c7 160000
--- a/extmod/ulab
+++ b/extmod/ulab
@@ -1 +1 @@
-Subproject commit 42d831e1e65b1c75ed90de11b87a1c4a0ebe6152
+Subproject commit 66b89de8c714790de8647dc55f59430002044171