diff --git a/java/jdkAnnotations/javax/swing/annotations.xml b/java/jdkAnnotations/javax/swing/annotations.xml
index 64798b698b91..4bfc74161eff 100644
--- a/java/jdkAnnotations/javax/swing/annotations.xml
+++ b/java/jdkAnnotations/javax/swing/annotations.xml
@@ -382,4 +382,7 @@
       <val name="intValues" val="{javax.swing.SwingConstants.HORIZONTAL, javax.swing.SwingConstants.VERTICAL}"/>
     </annotation>
   </item>
+  <item name='javax.swing.RowSorter.SortKey SortKey(int, javax.swing.SortOrder) 1'>
+    <annotation name='org.jetbrains.annotations.NotNull'/>
+  </item>
 </root>