diff --git a/docs/deployment/migration-guide.md b/docs/deployment/migration-guide.md
index cbd74ee44..48ded45ad 100644
--- a/docs/deployment/migration-guide.md
+++ b/docs/deployment/migration-guide.md
@@ -24,6 +24,7 @@
 * Since Kyuubi 1.9.0, the support of Spark SQL engine for Spark 3.1 is deprecated, and will be removed in the future.
 * Since Kyuubi 1.9.0, the support of Spark extensions for Spark 3.1 is removed, please use Spark 3.2 or higher versions.
 * Since Kyuubi 1.9.0, `kyuubi.frontend.login.timeout`, `kyuubi.frontend.thrift.login.timeout`, `kyuubi.frontend.backoff.slot.length`, `kyuubi.frontend.thrift.backoff.slot.length` are removed.
+* Since Kyuubi 1.9.0, the support of Flink engine for Flink 1.16 is deprecated, and will be removed in the future.
 
 ## Upgrading from Kyuubi 1.8.0 to 1.8.1
 
diff --git a/externals/kyuubi-flink-sql-engine/src/main/scala/org/apache/kyuubi/engine/flink/FlinkEngineUtils.scala b/externals/kyuubi-flink-sql-engine/src/main/scala/org/apache/kyuubi/engine/flink/FlinkEngineUtils.scala
index 06165272d..0a4188fda 100644
--- a/externals/kyuubi-flink-sql-engine/src/main/scala/org/apache/kyuubi/engine/flink/FlinkEngineUtils.scala
+++ b/externals/kyuubi-flink-sql-engine/src/main/scala/org/apache/kyuubi/engine/flink/FlinkEngineUtils.scala
@@ -56,6 +56,9 @@ object FlinkEngineUtils extends Logging {
     val flinkVersion = EnvironmentInformation.getVersion
     if (SUPPORTED_FLINK_VERSIONS.contains(FLINK_RUNTIME_VERSION)) {
       info(s"The current Flink version is $flinkVersion")
+      if (FlinkEngineUtils.FLINK_RUNTIME_VERSION === "1.16") {
+        warn("The support for Flink 1.16 is deprecated, and will be removed in the next version.")
+      }
     } else {
       throw new UnsupportedOperationException(
         s"You are using unsupported Flink version $flinkVersion, " +