diff --git a/manifests/2.2.0/opensearch-2.2.0.yml b/manifests/2.2.0/opensearch-2.2.0.yml
index 73734d6e3c..3c05c13089 100644
--- a/manifests/2.2.0/opensearch-2.2.0.yml
+++ b/manifests/2.2.0/opensearch-2.2.0.yml
@@ -43,7 +43,7 @@ components:
       - gradle:dependencies:opensearch.version
   - name: k-NN
     repository: https://github.com/opensearch-project/k-NN.git
-    ref: '2.x'
+    ref: '2.2'
     platforms:
       - linux
     checks: