diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1dca43e322..423e0357fc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -129,6 +129,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - Fix missing Highlight and SourceConfig in the MultisearchBody ([#442](https://github.com/opensearch-project/opensearch-java/pull/442))
 - Fix parsing /_alias error response for not existing alias ([#476](https://github.com/opensearch-project/opensearch-java/pull/476))
 - Fix missing cause message in missing permission to call Fine Grained Access Control Amazon OpenSearch domain ([#473](https://github.com/opensearch-project/opensearch-java/issues/473))
+- Fix StoryStats numeric value out of range of int ([#489](https://github.com/opensearch-project/opensearch-java/pull/489))
 
 ### Security
 
diff --git a/java-client/src/main/java/org/opensearch/client/opensearch/_types/StoreStats.java b/java-client/src/main/java/org/opensearch/client/opensearch/_types/StoreStats.java
index 6abe2f6626..6931c5c4ee 100644
--- a/java-client/src/main/java/org/opensearch/client/opensearch/_types/StoreStats.java
+++ b/java-client/src/main/java/org/opensearch/client/opensearch/_types/StoreStats.java
@@ -57,18 +57,18 @@ public class StoreStats implements JsonpSerializable {
 	@Nullable
 	private final String size;
 
-	private final int sizeInBytes;
+	private final long sizeInBytes;
 
 	@Nullable
 	private final String reserved;
 
-	private final int reservedInBytes;
+	private final long reservedInBytes;
 
 	@Nullable
 	private final String totalDataSetSize;
 
 	@Nullable
-	private final Integer totalDataSetSizeInBytes;
+	private final Long totalDataSetSizeInBytes;
 
 	// ---------------------------------------------------------------------------------------------
 
@@ -98,7 +98,7 @@ public final String size() {
 	/**
 	 * Required - API name: {@code size_in_bytes}
 	 */
-	public final int sizeInBytes() {
+	public final long sizeInBytes() {
 		return this.sizeInBytes;
 	}
 
@@ -113,7 +113,7 @@ public final String reserved() {
 	/**
 	 * Required - API name: {@code reserved_in_bytes}
 	 */
-	public final int reservedInBytes() {
+	public final long reservedInBytes() {
 		return this.reservedInBytes;
 	}
 
@@ -129,7 +129,7 @@ public final String totalDataSetSize() {
 	 * API name: {@code total_data_set_size_in_bytes}
 	 */
 	@Nullable
-	public final Integer totalDataSetSizeInBytes() {
+	public final Long totalDataSetSizeInBytes() {
 		return this.totalDataSetSizeInBytes;
 	}
 
@@ -183,18 +183,18 @@ public static class Builder extends ObjectBuilderBase implements ObjectBuilder<S
 		@Nullable
 		private String size;
 
-		private Integer sizeInBytes;
+		private Long sizeInBytes;
 
 		@Nullable
 		private String reserved;
 
-		private Integer reservedInBytes;
+		private Long reservedInBytes;
 
 		@Nullable
 		private String totalDataSetSize;
 
 		@Nullable
-		private Integer totalDataSetSizeInBytes;
+		private Long totalDataSetSizeInBytes;
 
 		/**
 		 * API name: {@code size}
@@ -207,7 +207,7 @@ public final Builder size(@Nullable String value) {
 		/**
 		 * Required - API name: {@code size_in_bytes}
 		 */
-		public final Builder sizeInBytes(int value) {
+		public final Builder sizeInBytes(long value) {
 			this.sizeInBytes = value;
 			return this;
 		}
@@ -223,7 +223,7 @@ public final Builder reserved(@Nullable String value) {
 		/**
 		 * Required - API name: {@code reserved_in_bytes}
 		 */
-		public final Builder reservedInBytes(int value) {
+		public final Builder reservedInBytes(long value) {
 			this.reservedInBytes = value;
 			return this;
 		}
@@ -239,7 +239,7 @@ public final Builder totalDataSetSize(@Nullable String value) {
 		/**
 		 * API name: {@code total_data_set_size_in_bytes}
 		 */
-		public final Builder totalDataSetSizeInBytes(@Nullable Integer value) {
+		public final Builder totalDataSetSizeInBytes(@Nullable Long value) {
 			this.totalDataSetSizeInBytes = value;
 			return this;
 		}
@@ -268,11 +268,11 @@ public StoreStats build() {
 	protected static void setupStoreStatsDeserializer(ObjectDeserializer<StoreStats.Builder> op) {
 
 		op.add(Builder::size, JsonpDeserializer.stringDeserializer(), "size");
-		op.add(Builder::sizeInBytes, JsonpDeserializer.integerDeserializer(), "size_in_bytes");
+		op.add(Builder::sizeInBytes, JsonpDeserializer.longDeserializer(), "size_in_bytes");
 		op.add(Builder::reserved, JsonpDeserializer.stringDeserializer(), "reserved");
-		op.add(Builder::reservedInBytes, JsonpDeserializer.integerDeserializer(), "reserved_in_bytes");
+		op.add(Builder::reservedInBytes, JsonpDeserializer.longDeserializer(), "reserved_in_bytes");
 		op.add(Builder::totalDataSetSize, JsonpDeserializer.stringDeserializer(), "total_data_set_size");
-		op.add(Builder::totalDataSetSizeInBytes, JsonpDeserializer.integerDeserializer(),
+		op.add(Builder::totalDataSetSizeInBytes, JsonpDeserializer.longDeserializer(),
 				"total_data_set_size_in_bytes");
 
 	}
diff --git a/java-client/src/test/java/org/opensearch/client/opensearch/integTest/OpenSearchJavaClientTestCase.java b/java-client/src/test/java/org/opensearch/client/opensearch/integTest/OpenSearchJavaClientTestCase.java
index 44fd9aacc4..38a053b63a 100644
--- a/java-client/src/test/java/org/opensearch/client/opensearch/integTest/OpenSearchJavaClientTestCase.java
+++ b/java-client/src/test/java/org/opensearch/client/opensearch/integTest/OpenSearchJavaClientTestCase.java
@@ -47,6 +47,7 @@
 import javax.net.ssl.SSLEngine;
 
 public abstract class OpenSearchJavaClientTestCase extends OpenSearchRestTestCase implements OpenSearchTransportSupport {
+    private static final List<String> systemIndices = List.of(".opensearch-observability", ".opendistro_security");
     private static OpenSearchClient javaClient;
     private static OpenSearchClient adminJavaClient;
 
@@ -161,7 +162,7 @@ protected void wipeAllOSIndices() throws IOException {
             .indices(r -> r.headers("index,creation.date").expandWildcards(ExpandWildcard.All));
 
         for (IndicesRecord index : response.valueBody()) {
-            if (index.index() != null && !".opendistro_security".equals(index.index())) {
+            if (index.index() != null && !systemIndices.contains(index.index())) {
                 adminJavaClient().indices().delete(new DeleteIndexRequest.Builder().index(index.index()).build());
             }
         }