diff --git a/lib/node_modules/@stdlib/array/base/lib/index.js b/lib/node_modules/@stdlib/array/base/lib/index.js
index f018602c1a1..e130ae705ba 100644
--- a/lib/node_modules/@stdlib/array/base/lib/index.js
+++ b/lib/node_modules/@stdlib/array/base/lib/index.js
@@ -189,6 +189,15 @@ setReadOnly( ns, 'flatten2dBy', require( '@stdlib/array/base/flatten2d-by' ) );
 */
 setReadOnly( ns, 'flatten3d', require( '@stdlib/array/base/flatten3d' ) );
 
+/**
+* @name flatten3dBy
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/array/base/flatten3d-by}
+*/
+setReadOnly( ns, 'flatten3dBy', require( '@stdlib/array/base/flatten3d-by' ) );
+
 /**
 * @name flatten4d
 * @memberof ns