diff --git a/Firestore/Source/Public/FirebaseFirestore/FIRVectorValue.h b/Firestore/Source/Public/FirebaseFirestore/FIRVectorValue.h
index 049e9e80b55..916663f15c4 100644
--- a/Firestore/Source/Public/FirebaseFirestore/FIRVectorValue.h
+++ b/Firestore/Source/Public/FirebaseFirestore/FIRVectorValue.h
@@ -21,6 +21,7 @@ NS_ASSUME_NONNULL_BEGIN
 /**
  * Represents a vector type in Firestore documents.
  */
+NS_SWIFT_SENDABLE
 NS_SWIFT_NAME(VectorValue)
 @interface FIRVectorValue : NSObject