diff --git a/setup.py b/setup.py
index c7d24ad..922cff5 100644
--- a/setup.py
+++ b/setup.py
@@ -47,12 +47,12 @@ def get_version():
             result = result.decode('ascii').strip()[1:] # strip spaces/newlines and initial v
             if '-' in result: # not a tagged version
                 real_number, commit_count, commit_hash = result.split('-', 2)
-                version = '%s.dev%s+%s' % (real_number, commit_count, commit_hash)
+                version = '%s.post%s+%s' % (real_number, commit_count, commit_hash)
             else:
                 version = result
             return version
         else:
-            return '0.0.dev%s' % len(
+            return '0.0.post%s' % len(
                     subprocess.check_output(
                             ['git', 'rev-list', 'HEAD']).splitlines())
     return '0.0'