diff --git a/langtools/.hgtags b/langtools/.hgtags
index e701f6f47df..57ed74c4fc4 100644
--- a/langtools/.hgtags
+++ b/langtools/.hgtags
@@ -261,3 +261,4 @@ f04fccfbd880c819affc3ef33e0083aab9556409 jdk9-b11
 7d67ebd3e35c3c36ad2caee482a84f8310d2f838 jdk9-b16
 b64f8d5b97faa29e4d629bf4e56ebe0e26c40ecc jdk9-b17
 fd8da51c5df4546995c360fc49f0b985cbf8fbd3 jdk9-b18
+a9accd7c44159f191ad09740d54493e563c39f95 jdk9-b19