diff --git a/.hgtags b/.hgtags
index d164bf1be26..fc5d8fdf01a 100644
--- a/.hgtags
+++ b/.hgtags
@@ -558,3 +558,4 @@ f855ec13aa2501ae184c8b3e0626a8cec9966116 jdk-13+15
 bebb82ef3434a25f8142edafec20165f07ac562d jdk-13+18
 a43d6467317d8f1e160f67aadec37919c9d64443 jdk-13+19
 6ccc7cd7931e34129f6b7e04988fc9a63958dde0 jdk-13+20
+f2f11d7f7f4e7128f8aba6ffa576cfa76fbf7d1a jdk-13+21