diff --git a/.hgtags b/.hgtags
index 8ca4b3f08..7f04cc65d 100644
--- a/.hgtags
+++ b/.hgtags
@@ -134,3 +134,4 @@ fd57967d850d2361072c72562d1ed03598473478 release-0.4.12
 e2ac5fa41bcba14adbbb722d45c083c30c07bb5c release-0.5.3
 393dbc659df15ccd411680b5c1ce87ed86d4c144 release-0.5.4
 38cc7bd8e04f2c519fd4526c12841a876be353cb release-0.5.5
+6d1fcec2ea79101c756316c015f72e75f601a5ab release-0.5.6