diff --git a/lib/contextify.js b/lib/contextify.js
index 5535406..d6ba2f2 100644
--- a/lib/contextify.js
+++ b/lib/contextify.js
@@ -564,6 +564,7 @@ Decontextify.value = (value, traps, deepTraps, flags, mock) => {
 			case 'number':
 			case 'boolean':
 			case 'symbol':
+			case 'bigint':
 				return value;
 
 			default: // new, unknown types can be dangerous
@@ -955,6 +956,7 @@ Contextify.value = (value, traps, deepTraps, flags, mock) => {
 			case 'number':
 			case 'boolean':
 			case 'symbol':
+			case 'bigint':
 				return value;
 
 			default: // new, unknown types can be dangerous