diff --git a/setup.cfg b/setup.cfg
index c8d846cbf..cd2bed54b 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -3,5 +3,5 @@ VCS = git
 style = pep440
 versionfile_source = artiq/_version.py
 versionfile_build = artiq/_version.py
-tag_prefix =
+tag_prefix = v
 parentdir_prefix = artiq-