diff --git a/integ-test/build.gradle b/integ-test/build.gradle
index 798a0be5367..441508033e9 100644
--- a/integ-test/build.gradle
+++ b/integ-test/build.gradle
@@ -44,7 +44,10 @@ apply plugin: 'java'
 apply plugin: 'io.freefair.lombok'
 apply plugin: 'com.wiredforcode.spawn'
 
-String baseVersion = "2.17.0"
+// The next major version is only API compat w/ the last minor of the previous major.
+// baseVersion need to roll-froward accordingly, as new 2.x of OpenSearch being released.
+// See: https://github.com/opensearch-project/OpenSearch/issues/3615
+String baseVersion = "2.19.0"
 String bwcVersion = baseVersion + ".0";
 String baseName = "sqlBwcCluster"
 String bwcFilePath = "src/test/resources/bwc/"