--- a/setup.py	Mon Apr 22 00:36:23 2013 +0300
+++ b/setup.py	Mon Apr 22 01:39:08 2013 +0300
@@ -18,7 +18,7 @@
     install_requires    = [
         # pvl.args
         # pvl.invoke
-        'pvl-common',
+        'pvl-common >= 0.2-rc',
     ],
  
     # lib