diff --git a/recipe/meta.yaml b/recipe/meta.yaml
index 8e289af..7fd1342 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -1,4 +1,4 @@
-{% set version = "4.0b" %}
+{% set version = "4.0b1" %}
 
 package:
   name: constructor