diff --git a/scripts/supybot b/scripts/supybot
index 4baf6c937..66a8f5b5a 100755
--- a/scripts/supybot
+++ b/scripts/supybot
@@ -122,7 +122,7 @@ def main():
     log.info('Total CPU time taken: %s seconds.', user+system)
     log.info('No more Irc objects, exiting.')
 
-version = '0.80.0pre4'
+version = '0.80.0pre4+cvs'
 if __name__ == '__main__':
     ###
     # Options:
diff --git a/setup.py b/setup.py
index edd8f10c2..812edac3b 100644
--- a/setup.py
+++ b/setup.py
@@ -85,7 +85,7 @@ if clean:
             print 'Couldn\'t remove former installation: %s' % e
             sys.exit(-1)
 
-version = '0.80.0pre4'
+version = '0.80.0pre4+cvs'
 setup(
     # Metadata
     name='supybot',
diff --git a/src/conf.py b/src/conf.py
index ff3af517d..032dbeae9 100644
--- a/src/conf.py
+++ b/src/conf.py
@@ -49,7 +49,7 @@ _pluginsDir = os.path.join(installDir, 'plugins')
 ###
 # version: This should be pretty obvious.
 ###
-version = '0.80.0pre4'
+version = '0.80.0pre4+cvs'
 
 ###
 # *** The following variables are affected by command-line options.  They are