diff --git a/src/main/java/org/opensearch/knn/index/IndexUtil.java b/src/main/java/org/opensearch/knn/index/IndexUtil.java
index f9809ba70..4e2dc38c6 100644
--- a/src/main/java/org/opensearch/knn/index/IndexUtil.java
+++ b/src/main/java/org/opensearch/knn/index/IndexUtil.java
@@ -35,7 +35,7 @@
 public class IndexUtil {
 
     private static final Version MINIMAL_SUPPORTED_VERSION_FOR_LUCENE_HNSW_FILTER = Version.V_2_4_0;
-    private static final Version MINIMAL_SUPPORTED_VERSION_FOR_IGNORE_UNMAPPED = Version.V_2_10_0;
+    private static final Version MINIMAL_SUPPORTED_VERSION_FOR_IGNORE_UNMAPPED = Version.V_2_11_0;
     public static final Map<String, Version> minimalRequiredVersionMap = new HashMap<String, Version>() {
         {
             put("filter", MINIMAL_SUPPORTED_VERSION_FOR_LUCENE_HNSW_FILTER);