diff --git a/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1/DocumentProcessorServiceClient.java b/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1/DocumentProcessorServiceClient.java
index 3355b300..d0747349 100644
--- a/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1/DocumentProcessorServiceClient.java
+++ b/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1/DocumentProcessorServiceClient.java
@@ -16,6 +16,7 @@
 
 package com.google.cloud.documentai.v1;
 
+import com.google.api.core.BetaApi;
 import com.google.api.gax.core.BackgroundResource;
 import com.google.api.gax.httpjson.longrunning.OperationsClient;
 import com.google.api.gax.longrunning.OperationFuture;
@@ -188,6 +189,7 @@ public final com.google.longrunning.OperationsClient getOperationsClient() {
    * Returns the OperationsClient that can be used to query the status of a long-running operation
    * returned by another API method call.
    */
+  @BetaApi
   public final OperationsClient getHttpJsonOperationsClient() {
     return httpJsonOperationsClient;
   }
diff --git a/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1beta3/DocumentProcessorServiceClient.java b/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1beta3/DocumentProcessorServiceClient.java
index e66c4ea0..58a12665 100644
--- a/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1beta3/DocumentProcessorServiceClient.java
+++ b/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1beta3/DocumentProcessorServiceClient.java
@@ -199,6 +199,7 @@ public final com.google.longrunning.OperationsClient getOperationsClient() {
    * Returns the OperationsClient that can be used to query the status of a long-running operation
    * returned by another API method call.
    */
+  @BetaApi
   public final OperationsClient getHttpJsonOperationsClient() {
     return httpJsonOperationsClient;
   }