diff --git a/_config.yml b/_config.yml
index 63d4cb50..12a4d91c 100644
--- a/_config.yml
+++ b/_config.yml
@@ -5,8 +5,8 @@ baseurl: "/docs/latest" # the subpath of your site, e.g. /blog
 url: "https://opensearch.org" # the base hostname & protocol for your site, e.g. http://example.com
 permalink: /:path/
 
-opensearch_version: 1.1.0
-opensearch_major_minor_version: 1.1
+opensearch_version: 1.2.0
+opensearch_major_minor_version: 1.2
 lucene_version: 8_9_0
 
 # Build settings