diff --git a/.hgtags b/.hgtags
index 2336f25130..7f312ff4fc 100644
--- a/.hgtags
+++ b/.hgtags
@@ -441,3 +441,4 @@ e6d70017f5b9adbb2ec82d826973d0251800a3c3 jdk-10+12
 878e216039322cb3f0ecbd0944642a2b4e2593f3 jdk-10+15
 4bbea012e5676e8025ade2bcfab4d6581e6e9f4b jdk-10+16
 7db699468b4f84abbcc01647e5a964409737411a jdk-10+17
+3739654290616e533fc6f51bf9ad69ed47a6abba jdk-10+18