diff --git a/.hgtags b/.hgtags
index ce44f1e104ff..fb2247b99c98 100644
--- a/.hgtags
+++ b/.hgtags
@@ -258,3 +258,4 @@ d561ece0b43bb36217b8eb8920395c05bc03fd9e FIREFOX_BETA_111_BASE
 a8939ff5236dad956af827235ceed7104e5e92c2 FIREFOX_BETA_112_BASE
 f2178beb09db4f3548827808718f1ea1f2892fc5 FIREFOX_NIGHTLY_112_END
 927bacde5bed3f8d8eb7d490a783c743ffac0d4c FIREFOX_BETA_113_BASE
+8cec209cd17ebd93dad30af4c02a2b6b0cc0e3b0 FIREFOX_NIGHTLY_113_END