diff --git a/.hgtags b/.hgtags
index 986d4cc59232..eacacb9d7d67 100644
--- a/.hgtags
+++ b/.hgtags
@@ -290,3 +290,4 @@ fc01df84fa6d91b9dabb4b608eb947cef3230871 FIREFOX_NIGHTLY_120_END
 25a22c2f939167a119d912b3fe61312db879d576 FIREFOX_BETA_126_BASE
 25a22c2f939167a119d912b3fe61312db879d576 FIREFOX_BETA_126_BASE
 b4d3227540c9ebc43d64aac6168fdca7019c22d8 FIREFOX_BETA_126_BASE
+de27b0fc3ab30bad572ccdcd8ea161d1f9a198ad FIREFOX_NIGHTLY_126_END