diff --git a/src/test/java/org/opensearch/neuralsearch/common/BaseNeuralSearchIT.java b/src/test/java/org/opensearch/neuralsearch/common/BaseNeuralSearchIT.java
index 84672d479..37733adbf 100644
--- a/src/test/java/org/opensearch/neuralsearch/common/BaseNeuralSearchIT.java
+++ b/src/test/java/org/opensearch/neuralsearch/common/BaseNeuralSearchIT.java
@@ -550,6 +550,9 @@ protected void deleteModel(String modelId) {
             ImmutableList.of(new BasicHeader(HttpHeaders.USER_AGENT, DEFAULT_USER_AGENT))
         );
 
+        // after model undeploy returns, the max interval to update model status is 3s in ml-commons CronJob.
+        Thread.sleep(3000);
+
         makeRequest(
             client(),
             "DELETE",