diff --git a/extension/manifest.json b/extension/manifest.json
index d670c5f..be4ed65 100644
--- a/extension/manifest.json
+++ b/extension/manifest.json
@@ -2,7 +2,7 @@
     "manifest_version": 2,
     "name": "DjVu.js Viewer",
     "short_name": "DV",
-    "version": "0.9.0.0",
+    "version": "0.9.1.0",
     "author": "RussCoder",
     "homepage_url": "https://github.com/RussCoder/djvujs",
     "description": "Opens links to .djvu files. Allows opening files from a local disk. Processes <object> & <embed> tags.",
diff --git a/library/CHANGELOG.md b/library/CHANGELOG.md
index 49335a3..1c424b8 100644
--- a/library/CHANGELOG.md
+++ b/library/CHANGELOG.md
@@ -1,5 +1,9 @@
 # DjVu.js Library's Changelog
 
+## v.0.5.4 (01.02.2023)
+
+- Fix: error messages are sent from the worker again.
+
 ## v.0.5.3 (18.02.2021)
 
 - Error handlers for unhandled promise rejections and errors in the worker.
diff --git a/library/src/DjVu.js b/library/src/DjVu.js
index ff8e5f6..6a818d8 100644
--- a/library/src/DjVu.js
+++ b/library/src/DjVu.js
@@ -1,5 +1,5 @@
 var DjVu = {
-    VERSION: '0.5.3',
+    VERSION: '0.5.4',
     IS_DEBUG: false,
     setDebugMode: (flag) => DjVu.IS_DEBUG = flag
 };
diff --git a/viewer/CHANGELOG.md b/viewer/CHANGELOG.md
index f341aec..c871cc7 100644
--- a/viewer/CHANGELOG.md
+++ b/viewer/CHANGELOG.md
@@ -1,5 +1,10 @@
 # DjVu.js Viewer's Changelog
 
+## v.0.9.1 (01.02.2023)
+
+- Spanish translation update.
+- DjVu.js v.0.5.4: error messages are displayed again.
+
 ## v.0.9.0 (24.05.2022)
 
 - Feature: several pages in a row in the continuous scroll mode.
diff --git a/viewer/src/DjVuViewer.js b/viewer/src/DjVuViewer.js
index f36f647..ef1fb5d 100644
--- a/viewer/src/DjVuViewer.js
+++ b/viewer/src/DjVuViewer.js
@@ -17,7 +17,7 @@ const Events = constant({
 
 export default class DjVuViewer extends EventEmitter {
 
-    static VERSION = '0.9.0';
+    static VERSION = '0.9.1';
 
     static Events = Events;
     static Constants = Constants;