diff --git a/Gruntfile.js b/Gruntfile.js
index c0af1ec0c0..c33706ecca 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -51,12 +51,12 @@ module.exports = grunt => {
         ...buildUtils.getPreparedBundleLibList(libs),
     ];
 
-    let bundleFileMap = {'client/lib/espo.min.js': libsBundleFileList};
+    let bundleFileMap = {'client/lib/espo.js': libsBundleFileList};
 
     for (let name in bundleConfig.chunks) {
         let namePart = 'espo-' + name;
 
-        bundleFileMap[`client/lib/${namePart}.min.js`] = originalLibDir + `/${namePart}.js`
+        bundleFileMap[`client/lib/${namePart}.js`] = originalLibDir + `/${namePart}.js`
     }
 
     let copyJsFileList = buildUtils.getCopyLibDataList(libs);
diff --git a/application/Espo/Resources/metadata/app/client.json b/application/Espo/Resources/metadata/app/client.json
index f2e759472f..bf5938272f 100644
--- a/application/Espo/Resources/metadata/app/client.json
+++ b/application/Espo/Resources/metadata/app/client.json
@@ -1,7 +1,7 @@
 {
     "scriptList": [
-        "client/lib/espo.min.js",
-        "client/lib/espo-main.min.js"
+        "client/lib/espo.js",
+        "client/lib/espo-main.js"
     ],
     "developerModeScriptList": [
         "client/src/loader.js"
diff --git a/frontend/test/jasmine-browser.json b/frontend/test/jasmine-browser.json
index dd8059a277..a56aee19f3 100644
--- a/frontend/test/jasmine-browser.json
+++ b/frontend/test/jasmine-browser.json
@@ -2,7 +2,7 @@
     "srcDir": ".",
     "srcFiles": [
         "frontend/test/init.js",
-        "client/lib/espo.min.js",
+        "client/lib/espo.js",
         "client/lib/transpiled/src/exceptions.js",
         "client/lib/transpiled/src/utils.js",
         "client/lib/transpiled/src/ajax.js",
diff --git a/install/entry.php b/install/entry.php
index 0c1b71ba0f..8a4b9af4c6 100644
--- a/install/entry.php
+++ b/install/entry.php
@@ -208,7 +208,7 @@ $loaderParamsProvider = $installer->getInjectableFactory()->create(LoaderParamsP
 
 if (!empty($actionFile) && file_exists('install/core/tpl/' . $tplName)) {
     /* check if EspoCRM is built */
-    $isBuilt = file_exists('client/lib/espo.min.js');
+    $isBuilt = file_exists('client/lib/espo.js');
 
     $smarty->assign('isBuilt', $isBuilt);
 
diff --git a/js/diff.js b/js/diff.js
index b4b6dcf9cd..91540d28f3 100644
--- a/js/diff.js
+++ b/js/diff.js
@@ -281,15 +281,15 @@ class Diff
 
             libData.filesToCopy.forEach(item => fileList.push(item));
 
-            fileList.push('client/lib/espo.min.js');
-            fileList.push('client/lib/espo.min.js.map');
+            fileList.push('client/lib/espo.js');
+            fileList.push('client/lib/espo.js.map');
 
             Object.keys(bundleConfig.chunks)
                 .map(name => {
                     let namePart = 'espo-' + name;
 
-                    fileList.push(`client/lib/${namePart}.min.js`);
-                    fileList.push(`client/lib/${namePart}.min.js.map`);
+                    fileList.push(`client/lib/${namePart}.js`);
+                    fileList.push(`client/lib/${namePart}.js.map`);
                 });
 
             fs.readdirSync('client/css/espo/').forEach(file => {
diff --git a/package-lock.json b/package-lock.json
index a60ba2a5a4..4c50bbd9a9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -49,7 +49,7 @@
       },
       "devDependencies": {
         "archiver": "^5.3.0",
-        "espo-frontend-build-tools": "github:espocrm/frontend-build-tools#0.0.1",
+        "espo-frontend-build-tools": "github:espocrm/frontend-build-tools#0.0.2",
         "fstream": ">=1.0.12",
         "glob": "^10.2.6",
         "grunt": "^1.5.3",
@@ -3095,8 +3095,8 @@
       }
     },
     "node_modules/espo-frontend-build-tools": {
-      "version": "0.0.1",
-      "resolved": "git+ssh://git@github.com/espocrm/frontend-build-tools.git#226e3af9574a241d45e933327b72a5b41bc5bdb5",
+      "version": "0.0.2",
+      "resolved": "git+ssh://git@github.com/espocrm/frontend-build-tools.git#5215ede102ae0ebe34b4b4d626076814ef99bec3",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -9340,9 +9340,9 @@
       "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ="
     },
     "espo-frontend-build-tools": {
-      "version": "git+ssh://git@github.com/espocrm/frontend-build-tools.git#226e3af9574a241d45e933327b72a5b41bc5bdb5",
+      "version": "git+ssh://git@github.com/espocrm/frontend-build-tools.git#5215ede102ae0ebe34b4b4d626076814ef99bec3",
       "dev": true,
-      "from": "espo-frontend-build-tools@github:espocrm/frontend-build-tools#0.0.1",
+      "from": "espo-frontend-build-tools@github:espocrm/frontend-build-tools#0.0.2",
       "requires": {
         "@babel/cli": "^7.21.5",
         "@babel/core": "^7.22.1",
diff --git a/package.json b/package.json
index adaaead068..a2110fff27 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
   "license": "GPL-3.0",
   "devDependencies": {
     "archiver": "^5.3.0",
-    "espo-frontend-build-tools": "github:espocrm/frontend-build-tools#0.0.1",
+    "espo-frontend-build-tools": "github:espocrm/frontend-build-tools#0.0.2",
     "fstream": ">=1.0.12",
     "glob": "^10.2.6",
     "grunt": "^1.5.3",
diff --git a/upgrades/7.6/data.json b/upgrades/7.6/data.json
index ba084e8c67..60ec91eb56 100644
--- a/upgrades/7.6/data.json
+++ b/upgrades/7.6/data.json
@@ -2,7 +2,8 @@
     "manifest": {
         "delete": [
             "client/lib/original/espo.js",
-            "client/lib/original/espo.js",
+            "client/lib/espo.min.js",
+            "client/lib/espo.min.js.map",
             "client/cfg/pre-load.json"
         ]
     }