diff --git a/.hgtags b/.hgtags
index 20498b0449..bdb5c2f5b3 100644
--- a/.hgtags
+++ b/.hgtags
@@ -1605,3 +1605,4 @@ f657d65428c6e9e3468158df79c40bf5f6f32faf NSS_3_47_BETA2
 f10c3e0757b7b2cef3fb6201b2a9be795c6aecd4 NSS_3_47_BETA3
 d3c8638f85cdc4ed6c114406fca49314514bc097 NSS_3_47_BETA4
 77976f3fefca36adea9d1087915078950283c6d4 NSS_3_48_BETA1
+9ecd41cd2fa3c88217c75d0642fca9154a16d162 NSS_3_49_BETA1