diff --git a/.hgtags b/.hgtags
index fb3df2ec..6eed60f8 100644
--- a/.hgtags
+++ b/.hgtags
@@ -7,3 +7,4 @@ cd840bda3fa0d8cd4290700b299a8bad2c99606d TAG_1.2.1
 d6fa2a1477bc1f7a3590eb425ab7f907779cb732 TAG_1.2.4
 067b603cc82e6403b66fedd1636f50ff104c3fee TAG_1.2.5
 ce6b34e125174856e86c108399dfbb0eb84a7418 TAG_1.3
+a9d3f37477695c6255e7f603fa47defcfbd3a2af TAG_1.3.1