diff --git a/tag_database b/tag_database
index 2571d8868..6e965bf45 100644
--- a/tag_database
+++ b/tag_database
@@ -1,6 +1,7 @@
 anagrams:string
 arrayAverage:math
 arrayGcd:array
+arrayLcm:array
 arrayMax:array
 arrayMin:array
 arraySum:math