diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9fe6dac..fa71a0c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 All notable changes to this project will be documented in this file.
 
+## [1.2.4] - 2024-12-08
+
+### Fixed
+
+- Fixed import error in unrar/rarvm.
+
 ## [1.2.3] - 2024-02-04
 
 ### Added
diff --git a/archive/rarvm.js b/archive/rarvm.js
index 55206ea..da0782f 100644
--- a/archive/rarvm.js
+++ b/archive/rarvm.js
@@ -336,7 +336,7 @@ class VM_PreparedProgram {
 
 /**
  */
-class UnpackFilter {
+export class UnpackFilter {
   constructor() {
     /** @type {number} */
     this.BlockStart = 0;
diff --git a/archive/unrar.js b/archive/unrar.js
index df89122..8a75c59 100644
--- a/archive/unrar.js
+++ b/archive/unrar.js
@@ -14,7 +14,8 @@
 import { BitStream } from '../io/bitstream.js';
 import { ByteStream } from '../io/bytestream.js';
 import { ByteBuffer } from '../io/bytebuffer.js';
-import { RarVM, VM_GLOBALMEMADDR, VM_GLOBALMEMSIZE, VM_FIXEDGLOBALSIZE, MAXWINMASK } from './rarvm.js';
+import { RarVM, UnpackFilter, VM_GLOBALMEMADDR, VM_GLOBALMEMSIZE,
+         VM_FIXEDGLOBALSIZE, MAXWINMASK } from './rarvm.js';
 
 const UnarchiveState = {
   NOT_STARTED: 0,