diff --git a/Makefile b/Makefile
index ace2f88..c72e942 100644
--- a/Makefile
+++ b/Makefile
@@ -51,6 +51,7 @@ mypy:
 # Install and unit test
 libpecos:
 	python3 -m pip install --upgrade pip
+	python3 -m pip install setuptools==73.0.1
 	${WARN_AS_ERROR_CMD} python3 -m pip install ${VFLAG} --editable .
 
 .PHONY: test