diff --git a/setup.cfg b/setup.cfg
index cf06bb0f9..09de9a321 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -75,7 +75,7 @@ console_scripts =
 
 [egg_info]
 # TODO replace
-tag_build = b3
+tag_build = rc1
 
 [aliases]
 test=pytest