diff --git a/_config.yml b/_config.yml
index 716eb61..39121ed 100644
--- a/_config.yml
+++ b/_config.yml
@@ -17,8 +17,8 @@ baseurl: ""
 url: "https://ducklake.select"
 
 # DuckLake Versioning
-stable_ducklake_version: "0.3"
-preview_ducklake_version: "0.4-dev"
+stable_ducklake_version: "0.4"
+preview_ducklake_version: "1.0-dev"
 
 livereload: true
 highlighter: rouge