diff --git a/cspell.json b/cspell.json
index 5bd5170095f..6898ac0bfdd 100644
--- a/cspell.json
+++ b/cspell.json
@@ -4,6 +4,7 @@
     "animatable",
     "barfoo",
     "bridgeless",
+    "collapsable",
     "devs",
     "easings",
     "layoutable",