diff --git a/ts/flexbuffers/stack-value.ts b/ts/flexbuffers/stack-value.ts
index ef8e2f1..0106417 100644
--- a/ts/flexbuffers/stack-value.ts
+++ b/ts/flexbuffers/stack-value.ts
@@ -1,8 +1,8 @@
-import { Builder } from './builder'
-import { BitWidth } from './bit-width'
-import { paddingSize, uwidth, fromByteWidth } from './bit-width-util'
-import { ValueType } from './value-type'
-import { isInline, packedType } from './value-type-util'
+import { Builder } from './builder.js'
+import { BitWidth } from './bit-width.js'
+import { paddingSize, uwidth, fromByteWidth } from './bit-width-util.js'
+import { ValueType } from './value-type.js'
+import { isInline, packedType } from './value-type-util.js'
 
 export class StackValue {
   constructor(private builder: Builder, public type: ValueType, public width: number, public value: number | boolean | null = null, public offset: number = 0) {