diff --git a/MANIFEST.in b/MANIFEST.in
index 7939230..5524af8 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -3,5 +3,6 @@ recursive-include src *.py
 include CHANGELOG
 include LICENSE
 include README.md
+include VERSION
 
 global-exclude *.py[cod] __pycache__
diff --git a/VERSION b/VERSION
new file mode 100644
index 0000000..8b0beab
--- /dev/null
+++ b/VERSION
@@ -0,0 +1 @@
+20.11.0
diff --git a/setup.py b/setup.py
index 4153cf0..dd920c1 100644
--- a/setup.py
+++ b/setup.py
@@ -1,12 +1,15 @@
 from setuptools import setup, find_packages
 
 
-with open("README.md", "r") as fh:
-    long_description = fh.read()
+with open("VERSION", "r") as f:
+    version = f.read().strip()
+
+with open("README.md", "r") as f:
+    long_description = f.read()
 
 setup(
     name="isoduration",
-    version="20.11.0",
+    version=version,
     author="Víctor Muñoz",
     author_email="victorm@marshland.es",
     description="Operations with ISO 8601 durations",