diff --git a/.hgtags b/.hgtags
index a25e0b2d351a..6fe8df81f2d9 100644
--- a/.hgtags
+++ b/.hgtags
@@ -320,3 +320,4 @@ c14619bee2165d64a40d69cd6d2c25b85a488483 FIREFOX_NIGHTLY_135_END
 e571552c235724fbce9b1ceaedf4bff73093eaa7 FIREFOX_BETA_136_BASE
 8502d5cd5759d33e1c180121ddf0c12be23ccae3 FIREFOX_NIGHTLY_136_END
 55ed172f026357b4adecadea071cb51085f15c77 FIREFOX_BETA_137_BASE
+01a30eea5505e9ed21e2d5b8608a0146d6f6013a FIREFOX_NIGHTLY_137_END