diff --git a/src/ast.d.ts b/src/ast.d.ts
index 34fecc7da..49193d7e7 100644
--- a/src/ast.d.ts
+++ b/src/ast.d.ts
@@ -2513,6 +2513,7 @@ export interface BoltTypeParameter extends SyntaxBase {
   kind: SyntaxKind.BoltTypeParameter;
   index: number;
   name: BoltIdentifier;
+  typeNode: BoltTypeExpression;
   defaultType: BoltTypeExpression | null;
   parentNode: BoltTypeParameterParent;
   getChildNodes(): IterableIterator<BoltTypeParameterChild>
@@ -6953,7 +6954,7 @@ export function createBoltQualName(modulePath: BoltModulePath | null, name: Bolt
 export function createBoltModulePath(isAbsolute: boolean, elements: BoltIdentifier[], span?: TextSpan | null): BoltModulePath;
 export function createBoltReferenceTypeExpression(path: BoltModulePath, arguments: BoltTypeExpression[] | null, span?: TextSpan | null): BoltReferenceTypeExpression;
 export function createBoltFunctionTypeExpression(params: BoltParameter[], returnType: BoltTypeExpression | null, span?: TextSpan | null): BoltFunctionTypeExpression;
-export function createBoltTypeParameter(index: number, name: BoltIdentifier, defaultType: BoltTypeExpression | null, span?: TextSpan | null): BoltTypeParameter;
+export function createBoltTypeParameter(index: number, name: BoltIdentifier, typeNode: BoltTypeExpression, defaultType: BoltTypeExpression | null, span?: TextSpan | null): BoltTypeParameter;
 export function createBoltBindPattern(name: BoltIdentifier, span?: TextSpan | null): BoltBindPattern;
 export function createBoltTypePattern(type: BoltTypeExpression, nestedPattern: BoltPattern, span?: TextSpan | null): BoltTypePattern;
 export function createBoltExpressionPattern(expression: BoltExpression, span?: TextSpan | null): BoltExpressionPattern;