diff --git a/bin/update.php b/bin/update.php
index 67b5dcd..921bd9e 100644
--- a/bin/update.php
+++ b/bin/update.php
@@ -7,6 +7,8 @@
 		die("Missing argument (server url)\n");
 
 	$_SERVER = [ 'SERVER_NAME' => $argv[1] ];
-	$upd = new Updater();
+
+	// If 2nd argument -> diplome id to update only
+	$upd = new Updater(isset($argv[2]) ? $argv[2] : null);
 
 	$upd->update();
diff --git a/build/service/Updater.php b/build/service/Updater.php
index 9017934..3512f18 100644
--- a/build/service/Updater.php
+++ b/build/service/Updater.php
@@ -11,14 +11,17 @@
 		/* [1] Attributes
 		=========================================================*/
 		private $config = null;
+		private $d_data = null;
 
 
 		/* (1) Constructs and initialise an updater
 		*
+		* @d_id<String>						Diplome id to update (only)
+		*
 		* @return instance<Updater>			New Updater
 		*
 		---------------------------------------------------------*/
-		public function __construct(){
+		public function __construct($d_id=null){
 
 			/* [1] Fetch config
 			=========================================================*/ {
@@ -32,6 +35,11 @@
 
 			}
 
+
+			$d_list = $this->config->getDiplomes();
+			if( !is_null($d_id) && isset($d_list[$d_id]) )
+				$this->d_data = [ $d_id, $d_list[$d_id] ];
+
 		}
 
 
@@ -43,11 +51,52 @@
 		---------------------------------------------------------*/
 		public function update(){
 
-			/* [1] Browse ech diplome
+
+			/* [1] If only 1 diplome to update -> do it
+			=========================================================*/
+			if( is_array($this->d_data) ){
+
+				$d_id   = $this->d_data[0];
+				$d_name = $this->d_data[1];
+
+				file_put_contents(__ROOT__."/tmp/$d_id.ics", "BEGIN:VCALENDAR\nVERSION:2.0\nPRODID:-//xdrm.io//NONSGML v1.0//EN\nMETHOD:PUBLISH\nX-WR-CALNAME: UPPA $d_name\n");
+				\chmod(__ROOT__."/tmp/$d_id.ics", 0775);
+
+				/* (1) Browse each date
+				---------------------------------------------------------*/
+				foreach($this->config->getPeriods() as $p_id=>$p_date){
+
+					/* (1) Load image in the extractor */
+					$calext = new CalendarExtractor($d_id, "http://sciences.univ-pau.fr/edt/diplomes/${d_id}${p_id}.png", $p_date);
+
+					/* (2) Extract calendar data */
+					$calext->process();
+
+					/* (3) Get ICS events representation */
+					$EVENTS = $calext->toIcs();
+
+					/* (4) Add to file */
+					file_put_contents(__ROOT__."/tmp/$d_id.ics", $EVENTS, FILE_APPEND);
+
+				}
+
+				file_put_contents(__ROOT__."/tmp/$d_id.ics", "END:VCALENDAR", FILE_APPEND);
+
+				/* (2) Register update
+				---------------------------------------------------------*/
+				$sqlr = DatabaseDriver::getPDO()->prepare("UPDATE diplome SET updated_at = CURRENT_TIMESTAMP WHERE id_diplome = :idd");
+				$sqlr->execute([ ':idd' => $d_id ]);
+
+
+				return;
+
+			}
+
+			/* [2] Else -> Browse each diplome
 			=========================================================*/
 			foreach($this->config->getDiplomes() as $d_id=>$d_name){
 
-				file_put_contents(__ROOT__."/tmp/$d_id.ics", "BEGIN:VCALENDAR\nVERSION:2.0\nPRODID:-//xdrm.io//NONSGML v1.0//EN\nMETHOD:PUBLISH\nX-WR-CALNAME: UPPA $d_name\n");
+				file_put_contents(__ROOT__."/tmp/$d_id.ics", "BEGIN:VCALENDAR\nVERSION:2.0\nPRODID:-//xdrm.io//NONSGML v1.0//EN\nMETHOD:PUBLISH\nX-WR-CALNAME:UPPA $d_name\n");
 				\chmod(__ROOT__."/tmp/$d_id.ics", 775);
 
 				/* (1) Browse each date