diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/CallerContext.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/CallerContext.java
index b197575e052..e984821c8a4 100644
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/CallerContext.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/CallerContext.java
@@ -33,7 +33,7 @@
  * This class is immutable.
  */
 @InterfaceAudience.LimitedPrivate({"HBase", "HDFS", "Hive", "MapReduce",
-    "Pig", "YARN"})
+    "Pig", "Spark", "YARN"})
 @InterfaceStability.Evolving
 public class CallerContext {
   public static final Charset SIGNATURE_ENCODING = StandardCharsets.UTF_8;