diff --git a/.gitignore b/.gitignore
index 2325683..b172f3d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,3 +13,4 @@ docs/.sass-cache/
 .remote-sync.json
 .history
 .vscode
+*.bak
diff --git a/core/class/zwavejs.class.php b/core/class/zwavejs.class.php
index 228f148..72fa460 100644
--- a/core/class/zwavejs.class.php
+++ b/core/class/zwavejs.class.php
@@ -228,6 +228,17 @@ public static function configureSettings($_path) {
 		file_put_contents($file, json_encode($settings, JSON_FORCE_OBJECT));
 	}
 
+	public static function postConfig_wanted_zwavejs_version($_value = null) {
+    	if($_value == null || trim($_value) == null){
+      		if(file_exists(__DIR__.'/../../data/wanted_zwavejs_version')){
+       			unlink(__DIR__.'/../../data/wanted_zwavejs_version');
+      		}
+    	} else{
+			$_value = preg_replace('/v*(\d+\.\d+\.\d+)/', "$1", $_value, 1);
+			file_put_contents(__DIR__.'/../../data/wanted_zwavejs_version', $_value);
+    	}
+  	}  
+  
 	public static function addFileEvent($_file, $_data) {
 		$status_path = dirname(__FILE__) . '/../../data/status';
 		if (!is_dir($status_path)) {
diff --git a/plugin_info/configuration.php b/plugin_info/configuration.php
index 2014084..03fe4e2 100644
--- a/plugin_info/configuration.php
+++ b/plugin_info/configuration.php
@@ -108,6 +108,17 @@
 				</div>
 			</div>
 			<div class="form-group zwavejs_mode local">
+				<label class="col-md-4 control-label">{{Version voulue (réservé aux utilisateurs avancés)}}
+					<sup><i class="fas fa-question-circle tooltips" title="{{Laisser vide pour installer la dernière version disponible <br/>Si vous voulez forcer une installation précise, cliquez sur le bouton &#x2192; Liste des versions <br/> Encodez la version voulue et pensez à sauvegarder avant de relancer les dépendances}}"></i></sup>
+				</label>
+				<div class="col-md-3">
+					<input class="configKey form-control" data-l1key="wanted_zwavejs_version" />
+				</div>
+				<div class="col-md-3">
+					<a class="btn btn-info" href="https://github.com/zwave-js/zwave-js-ui/tags" target="_blank">{{Liste des versions}}</a>
+				</div>
+			</div>  
+			<div class="form-group">
 				<label class="col-md-4 control-label">{{Version ZwaveJS UI}}
 					<sup><i class="fas fa-question-circle tooltips" title="{{Version de la librairie ZwaveJS UI}}"></i></sup>
 				</label>
diff --git a/resources/post_install.sh b/resources/post_install.sh
index 7e7ffff..dbf47cc 100644
--- a/resources/post_install.sh
+++ b/resources/post_install.sh
@@ -36,4 +36,4 @@ then
     echo "And reboot your Raspberry Pi"
   fi
 fi
-echo "Everything is successfully installed!"
\ No newline at end of file
+echo "Everything is successfully installed!"
diff --git a/resources/pre_install.sh b/resources/pre_install.sh
index 73a3845..cf1aaac 100644
--- a/resources/pre_install.sh
+++ b/resources/pre_install.sh
@@ -7,8 +7,15 @@ BASEDIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
 
 cd $BASEDIR
 source ../core/config/zwavejs.config.ini  &> /dev/null
+
+if [ -f "${BASEDIR}/../data/wanted_zwavejs_version" ]; then
+    wanted_zwavejs_version=$(cat "${BASEDIR}/../data/wanted_zwavejs_version")
+    if [ -n "${wanted_zwavejs_version}" ];then
+       wantedVersion=$wanted_zwavejs_version
+    fi
+fi
+
 echo "Wanted Version: $wantedVersion"
 rm -R zwave-js-ui
 git clone --branch v$wantedVersion --depth 1 https://github.com/zwave-js/zwave-js-ui
 echo "Pre install finished"
-