diff --git a/compiler/span/src/symbol.rs b/compiler/span/src/symbol.rs
index 442f842f87..2b991e03a2 100644
--- a/compiler/span/src/symbol.rs
+++ b/compiler/span/src/symbol.rs
@@ -181,6 +181,7 @@ symbols! {
     // general keywords
     AlwaysConst,
     assert,
+    async,
     caller,
     circuit,
     Class: "class",