diff --git a/src/functions.ts b/src/functions.ts
index 549292a..cd643c0 100644
--- a/src/functions.ts
+++ b/src/functions.ts
@@ -165,6 +165,7 @@ export default [
   "rnd_symbol",
   "rnd_timestamp",
   "rnd_uuid4",
+  "rnd_varchar",
   "round",
   "round_down",
   "round_half_even",