diff --git a/package-lock.json b/package-lock.json
index b61afda0..9aee8e7c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@d-i-t-a/reader",
-  "version": "2.2.0-beta.3",
+  "version": "2.2.0-beta.4",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@d-i-t-a/reader",
-      "version": "2.2.0-beta.3",
+      "version": "2.2.0-beta.4",
       "license": "Apache-2.0",
       "dependencies": {
         "@types/pdfjs-dist": "^2.7.4",
diff --git a/package.json b/package.json
index f0da1952..08505ca3 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@d-i-t-a/reader",
-  "version": "2.2.0-beta.3",
+  "version": "2.2.0-beta.4",
   "description": "A viewer application for EPUB files.",
   "repository": "https://github.com/d-i-t-a/R2D2BC",
   "license": "Apache-2.0",