diff --git a/.cspell.json b/.cspell.json
index 8290ebb..3aa6a11 100644
--- a/.cspell.json
+++ b/.cspell.json
@@ -1,6 +1,6 @@
 {
     "version": "0.1",
     "import": ["@generalprotocols/cspell-dictionary/cspell.json"],
-    "words": ["nonfungible", "lockscript"],
+    "words": ["nonfungible", "lockscript", "bivariance"],
     "ignorePaths": ["source/template/xo-template.schema.json"]
 }