diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5ff436cad..ea85b2665 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@
 - Minimal supported version Node.js 16 LTS
 - Fixed cover image size inside table
 - Fixed "Cannot read properties of undefined (reading 'bottomMost')" if table contains too few rows
+- Fixed invalid source-maps in builded js file
 
 ## 0.3.0-beta.6 - 2023-11-09
 
diff --git a/package.json b/package.json
index 80ecc9f70..2ecff3dfa 100644
--- a/package.json
+++ b/package.json
@@ -35,6 +35,7 @@
     "rewire": "^7.0.0",
     "shx": "^0.3.4",
     "sinon": "^17.0.1",
+    "source-map-loader": "^4.0.1",
     "stream-browserify": "^3.0.0",
     "string-replace-webpack-plugin": "^0.1.3",
     "svg-to-pdfkit": "^0.1.8",
diff --git a/webpack.config.js b/webpack.config.js
index 98cfb8522..45bd80657 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -77,6 +77,11 @@ module.exports = {
 					})
 				}
 			},
+			{
+				enforce: "pre",
+				test: /\.(cjs|js)$/,
+				use: ["source-map-loader"],
+			},
 			{
 				test: /\.js$/,
 				include: /(pdfkit|linebreak|fontkit|saslprep|restructure|unicode-trie|unicode-properties|dfa|buffer|png-js|crypto-js)/,