diff --git a/.hgtags b/.hgtags
index def20d67f5..d037229dfb 100644
--- a/.hgtags
+++ b/.hgtags
@@ -14,3 +14,4 @@ d6e8ca4264c50efb67ae4b0b4c2c7b6982612894 4.8.0
 a5722d02c1c5a5ccabf997d980a86bb6bd0160db 5.0.0
 0170b28fa1c9581bf0831a501469df19a3f7b302 5.2.0
 c77c42846d957aa443927c3eb3e0e489eabe3eeb 5.4.0
+4c6125ae5f16e2ded590b4a84c17ae9ab6f0e826 5.6.0