diff --git a/.hgtags b/.hgtags
index b48f9a898a9f..566c9929e658 100644
--- a/.hgtags
+++ b/.hgtags
@@ -5073,3 +5073,4 @@ c7248a902790a7a3ebbeebfb9c699bb31e202969 FIREFOX-ANDROID_128_0b9_RELEASE
 20888025784d99ba0c338253a9cb8913adb5c665 FIREFOX_RELEASE_128_BASE
 068001f3181654a5663191fc437ab74f19ab3f7f FIREFOX_RELEASE_127_END
 83b71d7d6b7115fba00b1314ec5ae4d088b40b8b FIREFOX_ESR_128_BASE
+e62c89485ef081311edf625308f0093307516d68 FIREFOX_128_0esr_BUILD1