diff --git a/proselint/command_line.py b/proselint/command_line.py
index 0c59483bf..57d57004d 100644
--- a/proselint/command_line.py
+++ b/proselint/command_line.py
@@ -22,6 +22,7 @@
 import time
 import importlib
 import sys
+from .version import __version__
 
 
 base_url = "prose.lifelinter.com/"
@@ -167,7 +168,7 @@ def proselint(file=None, version=None, initialize=None,
     """Define the linter command line API."""
     # Return the version number.
     if version:
-        print("v0.0.1")
+        print(__version__)
         return
 
     # Run the intialization.
diff --git a/proselint/version.py b/proselint/version.py
new file mode 100644
index 000000000..18d13e5fe
--- /dev/null
+++ b/proselint/version.py
@@ -0,0 +1,3 @@
+"""Wallace version number."""
+
+__version__ = "0.2.0"
diff --git a/setup.py b/setup.py
index e6c0f8a82..bf99138db 100644
--- a/setup.py
+++ b/setup.py
@@ -1,10 +1,11 @@
 """Installation script for proselint."""
 
 from setuptools import setup
+from proselint.version import __version__
 
 setup(
     name='proselint',
-    version='0.1',
+    version=__version__,
     description='Making your writing better',
     url='http://github.com/amperser/proselint',
     author='Jordan Suchow',