diff --git a/.hgtags b/.hgtags
index 1c7dc2a0349d32109b0c48dcea851e36556898dc..b23c6ac9012fe893e9e344a5ec16da5fcdf4f465 100644
--- a/.hgtags
+++ b/.hgtags
@@ -5,3 +5,4 @@ e3d2692f8442e2d951166dc9bd9a330684754438 jdk7-b27
 c14dab40ed9bf45ad21150bd70c9c80cdf655415 jdk7-b28
 4f91c08b3e4498213a9c5a24898f7d9c38cf86fb jdk7-b29
 d1605aabd0a15ecf93787c47de63073c33fba52d jdk7-b30
+9c2ecc2ffb125f14fab3857fe7689598956348a0 jdk7-b31