diff --git a/artiq/_version.py b/artiq/_version.py
index 56f8614c9..62e5e4dd8 100644
--- a/artiq/_version.py
+++ b/artiq/_version.py
@@ -4,4 +4,4 @@ def get_rev():
     return os.getenv("VERSIONEER_REV", default="unknown")
 
 def get_version():
-    return os.getenv("VERSIONEER_OVERRIDE", default="8.0+unknown.beta")
+    return os.getenv("VERSIONEER_OVERRIDE", default="9.0+unknown.beta")