diff --git a/build_dist.commands b/build_dist.commands
index e342f09..fefb6c0 100644
--- a/build_dist.commands
+++ b/build_dist.commands
@@ -1,3 +1,6 @@
+# FIRST edit setup.py to change version number and maybe dependencies.
+# MAYBE README, too, if dependencies changed.
+
 # Clean up previous stuff:
 rm -r __pycache__
 rm -r musicdiff/__pycache__
diff --git a/setup.py b/setup.py
index 3fa4ca1..6351ef7 100644
--- a/setup.py
+++ b/setup.py
@@ -13,7 +13,7 @@
 from setuptools import setup, find_packages
 import pathlib
 
-musicdiffversion = '1.3.0'
+musicdiffversion = '1.4.0'
 
 here = pathlib.Path(__file__).parent.resolve()