diff --git a/docs/conf.py b/docs/conf.py
index c17616b..4755f64 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -12,6 +12,7 @@
 #
 import os
 from os.path import relpath, dirname
+from tmval.constants import BUILD_VERSION
 import sys
 sys.path.insert(0, os.path.abspath('..'))
 
@@ -19,7 +20,7 @@
 
 project = 'TmVal Documentation'
 copyright = '2020, Gene Dan, FCAS, MAAA, CSPA'
-release = 'v0.0.9'
+release = 'v' + BUILD_VERSION
 author = 'Gene Dan, FCAS, MAAA, CSPA'
 
 
diff --git a/setup.py b/setup.py
index afe48c6..bd4f98e 100644
--- a/setup.py
+++ b/setup.py
@@ -1,11 +1,13 @@
 import setuptools
 
+from tmval.constants import BUILD_VERSION
+
 with open("README.md", "r") as fh:
     long_description = fh.read()
 
 setuptools.setup(
     name="tmval",
-    version="0.0.9",
+    version=BUILD_VERSION,
     author="Gene Dan",
     author_email="genedan@gmail.com",
     description="Time Value of Money",
diff --git a/tmval/constants.py b/tmval/constants.py
index fde3bf0..50c670d 100644
--- a/tmval/constants.py
+++ b/tmval/constants.py
@@ -1,3 +1,5 @@
+BUILD_VERSION = '0.0.10'
+
 FORMAL_PATTERNS = {
     'interest': 'Effective Interest',
     'i': 'Effective Interest',