diff --git a/server/src/main/java/org/elasticsearch/TransportVersions.java b/server/src/main/java/org/elasticsearch/TransportVersions.java
index 5313e3e6a2d13..c315804c93c43 100644
--- a/server/src/main/java/org/elasticsearch/TransportVersions.java
+++ b/server/src/main/java/org/elasticsearch/TransportVersions.java
@@ -176,6 +176,7 @@ static TransportVersion def(int id) {
     public static final TransportVersion ESQL_REPORT_SHARD_PARTITIONING_8_19 = def(8_841_0_29);
     public static final TransportVersion ESQL_DRIVER_TASK_DESCRIPTION_8_19 = def(8_841_0_30);
     public static final TransportVersion ML_INFERENCE_HUGGING_FACE_CHAT_COMPLETION_ADDED_8_19 = def(8_841_0_31);
+    public static final TransportVersion V_8_19_FIELD_CAPS_ADD_CLUSTER_ALIAS = def(8_841_0_32);
     public static final TransportVersion V_9_0_0 = def(9_000_0_09);
     public static final TransportVersion INITIAL_ELASTICSEARCH_9_0_1 = def(9_000_0_10);
     public static final TransportVersion INITIAL_ELASTICSEARCH_9_0_2 = def(9_000_0_11);
diff --git a/server/src/main/java/org/elasticsearch/action/fieldcaps/FieldCapabilitiesRequest.java b/server/src/main/java/org/elasticsearch/action/fieldcaps/FieldCapabilitiesRequest.java
index 5d4f6c5f0cc53..2e24858d9781f 100644
--- a/server/src/main/java/org/elasticsearch/action/fieldcaps/FieldCapabilitiesRequest.java
+++ b/server/src/main/java/org/elasticsearch/action/fieldcaps/FieldCapabilitiesRequest.java
@@ -70,7 +70,8 @@ public FieldCapabilitiesRequest(StreamInput in) throws IOException {
         if (in.getTransportVersion().onOrAfter(TransportVersions.V_8_13_0)) {
             includeEmptyFields = in.readBoolean();
         }
-        if (in.getTransportVersion().onOrAfter(TransportVersions.FIELD_CAPS_ADD_CLUSTER_ALIAS)) {
+        if (in.getTransportVersion().onOrAfter(TransportVersions.FIELD_CAPS_ADD_CLUSTER_ALIAS)
+            || in.getTransportVersion().isPatchFrom(TransportVersions.V_8_19_FIELD_CAPS_ADD_CLUSTER_ALIAS)) {
             clusterAlias = in.readOptionalString();
         } else {
             clusterAlias = RemoteClusterAware.LOCAL_CLUSTER_GROUP_KEY;
@@ -124,7 +125,8 @@ public void writeTo(StreamOutput out) throws IOException {
         if (out.getTransportVersion().onOrAfter(TransportVersions.V_8_13_0)) {
             out.writeBoolean(includeEmptyFields);
         }
-        if (out.getTransportVersion().onOrAfter(TransportVersions.FIELD_CAPS_ADD_CLUSTER_ALIAS)) {
+        if (out.getTransportVersion().onOrAfter(TransportVersions.FIELD_CAPS_ADD_CLUSTER_ALIAS)
+            || out.getTransportVersion().isPatchFrom(TransportVersions.V_8_19_FIELD_CAPS_ADD_CLUSTER_ALIAS)) {
             out.writeOptionalString(clusterAlias);
         }
     }