diff --git a/apps/maarch_entreprise/xml/applicationVersion.xml b/apps/maarch_entreprise/xml/applicationVersion.xml
index 56a233e50aaddb0b7be1c39cd0dc62fcd847120c..e46649ad951cccbe35c8971bbe8d95722b7362a8 100755
--- a/apps/maarch_entreprise/xml/applicationVersion.xml
+++ b/apps/maarch_entreprise/xml/applicationVersion.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <root>
-    <majorVersion>1.1</majorVersion>
-    <minorVersion>1.1.1</minorVersion>
+    <majorVersion>19.04</majorVersion>
+    <minorVersion>19.04.1</minorVersion>
 </root>
diff --git a/src/frontend/app/administration/versionUpdate/versions-update-administration.component.html b/src/frontend/app/administration/versionUpdate/versions-update-administration.component.html
index ff5597d5da2f615613ce7743bd26b99f301e57b2..9c8c676781e93998c4593798accba2c0b6f12f86 100755
--- a/src/frontend/app/administration/versionUpdate/versions-update-administration.component.html
+++ b/src/frontend/app/administration/versionUpdate/versions-update-administration.component.html
@@ -1,33 +1,9 @@
-<!--<div class="admin-container" [class.admin-is-mobile]="mobileQuery.matches">
-    <mat-toolbar color="primary" class="admin-toolbar">
-        <button mat-button (click)="snav.toggle()">
-            <mat-icon class="maarchLogo" [svgIcon]="mobileQuery.matches ? 'maarchLogoOnly' : 'maarchLogo'"></mat-icon>
-        </button>
-        <h1 class="admin-toolbar-title">{{lang.updateVersionControl}}
-        </h1>
-        <span style="flex: 1 1 auto;"></span>
-        <menu-top></menu-top>
-    </mat-toolbar>
-    <mat-sidenav-container autosize class="admin-sidenav-container" >
-        <mat-sidenav #snav [mode]="mobileQuery.matches ? 'over' : 'side'" [fixedInViewport]="mobileQuery.matches" fixedTopGap="56"
-            [opened]="mobileQuery.matches ? false : true" style="width:300px;">
-            <menu-nav></menu-nav>
-            <mat-divider></mat-divider>
-        </mat-sidenav>
-        <mat-sidenav-content>
-            <div>
-                Votre version : {{versions.currentVersion}}
-                <mat-form-field>
-                    <mat-select id="entity_type" name="minorVersions" title="{{lang.availableMinorVersions}}" placeholder="{{lang.entityType}}" maxlength="32" required>
-                        <mat-option *ngFor="let minorVersion of versions.currentMinorVersions" [value]="minorVersion.name">
-                            {{minorVersion.name}}
-                        </mat-option>
-                    </mat-select>
-                </mat-form-field>
-            </div>
-        </mat-sidenav-content>
-    </mat-sidenav-container>   
-</div>-->
+<div *ngIf="updateInprogress" class="updateInProgress">
+    <mat-spinner diameter="30"></mat-spinner>&nbsp;
+    <div>
+        Mise à jour en cours ...
+    </div>
+</div>
 <div class="admin-container" [class.admin-is-mobile]="mobileQuery.matches">
     <mat-sidenav-container autosize class="admin-sidenav-container" >
         <mat-sidenav #snav [mode]="mobileQuery.matches ? 'over' : 'side'" [fixedInViewport]="mobileQuery.matches" fixedTopGap="56"
@@ -53,7 +29,7 @@
                     <mat-icon class="fa fa-info-circle fa-2x" style="flex: 1;text-align: right;"></mat-icon>
                 </div>
                 <div class="col-sm-12" style="text-align:center;" *ngIf="versions.lastAvailableMinorVersion!=null">
-                    <button mat-raised-button color="primary" (click)="updateVersionAccess();">{{lang.accessUpdateWizard}}</button>
+                    <button mat-raised-button color="primary" (click)="updateVersionAccess();">{{lang.makeUpdate}}</button>
                 </div>
             </mat-card>
         </mat-sidenav-content>
diff --git a/src/frontend/app/administration/versionUpdate/versions-update-administration.component.scss b/src/frontend/app/administration/versionUpdate/versions-update-administration.component.scss
new file mode 100644
index 0000000000000000000000000000000000000000..00a1d73f143053c7b97884902337bd27ee010ed8
--- /dev/null
+++ b/src/frontend/app/administration/versionUpdate/versions-update-administration.component.scss
@@ -0,0 +1,12 @@
+.updateInProgress {
+    z-index: 2;
+    display: flex;
+    position: fixed;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    background: #ffffffed;
+    justify-content: center;
+    align-items: center;
+}
\ No newline at end of file
diff --git a/src/frontend/app/administration/versionUpdate/versions-update-administration.component.ts b/src/frontend/app/administration/versionUpdate/versions-update-administration.component.ts
index d8cc34d7b0f04638864bfe64a02b0dd71d19dfe7..89ee7092df6c1f017471302c6c426e2bca317ad8 100755
--- a/src/frontend/app/administration/versionUpdate/versions-update-administration.component.ts
+++ b/src/frontend/app/administration/versionUpdate/versions-update-administration.component.ts
@@ -2,33 +2,38 @@ import { ChangeDetectorRef, Component, OnInit, ViewChild } from '@angular/core';
 import { MediaMatcher } from '@angular/cdk/layout';
 import { HttpClient } from '@angular/common/http';
 import { LANG } from '../../translate.component';
-import { MatSidenav } from '@angular/material';
-import { HeaderService }        from '../../../service/header.service';
+import { MatSidenav, MatDialog, MatDialogRef } from '@angular/material';
+import { HeaderService } from '../../../service/header.service';
+import { tap, catchError } from 'rxjs/operators';
+import { NotificationService } from '../../notification.service';
+import { of } from 'rxjs';
+import { AlertComponent } from '../../../plugins/modal/alert.component';
 
 declare function $j(selector: any): any;
 
-declare var angularGlobals: any;
-
-
 @Component({
-    templateUrl: "versions-update-administration.component.html"
+    templateUrl: "versions-update-administration.component.html",
+    styleUrls: ['versions-update-administration.component.scss'],
+    providers: [NotificationService],
 })
 export class VersionsUpdateAdministrationComponent implements OnInit {
 
-    @ViewChild('snav') public  sidenavLeft   : MatSidenav;
-    @ViewChild('snav2') public sidenavRight  : MatSidenav;
+    @ViewChild('snav') public sidenavLeft: MatSidenav;
+    @ViewChild('snav2') public sidenavRight: MatSidenav;
 
-    mobileQuery                     : MediaQueryList;
-    private _mobileQueryListener    : () => void;
+    mobileQuery: MediaQueryList;
+    private _mobileQueryListener: () => void;
 
-    coreUrl     : string;
-    lang        : any = LANG;
-    loading     : boolean = false;
+    coreUrl: string;
+    lang: any = LANG;
+    loading: boolean = false;
+    updateInprogress: boolean = false;
+    dialogRef: MatDialogRef<any>;
 
-    versions    : any = {};
+    versions: any = {};
 
 
-    constructor(changeDetectorRef: ChangeDetectorRef, media: MediaMatcher, public http: HttpClient, private headerService: HeaderService) {
+    constructor(changeDetectorRef: ChangeDetectorRef, media: MediaMatcher, public http: HttpClient, private headerService: HeaderService, private notify: NotificationService, public dialog: MatDialog) {
         $j("link[href='merged_css.php']").remove();
         this.mobileQuery = media.matchMedia('(max-width: 768px)');
         this._mobileQueryListener = () => changeDetectorRef.detectChanges();
@@ -44,19 +49,40 @@ export class VersionsUpdateAdministrationComponent implements OnInit {
         window['MainHeaderComponent'].setSnav(this.sidenavLeft);
         window['MainHeaderComponent'].setSnavRight(null);
 
-        this.coreUrl = angularGlobals.coreUrl;
-
         this.loading = true;
 
-        this.http.get(this.coreUrl + 'rest/versionsUpdate')
-            .subscribe((data: any) => {
+        this.http.get('../../rest/versionsUpdate').pipe(
+            tap((data: any) => {
                 this.versions = data;
-
+            }),
+            catchError(err => {
+                this.notify.handleErrors(err);
+                return of(false);
+            }),
+            tap(() => {
                 this.loading = false;
-            });
+            })
+        ).subscribe();
     }
 
     updateVersionAccess() {
-        location.href = this.coreUrl+'install/index.php?step=update_language';
+        this.updateInprogress = true;
+
+        this.http.put('../../rest/versionsUpdate', {}).pipe(
+            tap(() => {
+                this.dialogRef = this.dialog.open(AlertComponent, { autoFocus: false, disableClose: true, data: { mode: '', title: 'Mise à jour effectuée avec succès !', msg: '' } });
+                this.dialogRef.afterClosed().subscribe(() => {
+                    window.location.reload(true);
+                    this.dialogRef = null;
+                });
+            }),
+            catchError(err => {
+                this.notify.handleErrors(err);
+                return of(false);
+            }),
+            tap(() => {
+                this.updateInprogress = false;
+            }),
+        ).subscribe();
     }
 }
diff --git a/src/frontend/app/app-common.module.ts b/src/frontend/app/app-common.module.ts
index 885ba96f4f9a79e2e69caf306a089d19506de77e..abbd7aac0ff0651cfbe58f63237f94b5cee489d2 100755
--- a/src/frontend/app/app-common.module.ts
+++ b/src/frontend/app/app-common.module.ts
@@ -43,6 +43,10 @@ import { SearchHomeComponent }                        from './search/search-home
 import { BasketHomeComponent }                        from './basket/basket-home.component';
 
 
+/*MODAL*/
+import { AlertComponent }                        from '../plugins/modal/alert.component';
+
+
 export class MyHammerConfig extends HammerGestureConfig {
     overrides = <any> {
         'pinch': { enable: false },
@@ -80,6 +84,7 @@ export class MyHammerConfig extends HammerGestureConfig {
         SmdFabSpeedDialComponent,
         SmdFabSpeedDialTrigger,
         SmdFabSpeedDialActions,
+        AlertComponent
     ],
     exports: [
         CommonModule,
@@ -119,7 +124,8 @@ export class MyHammerConfig extends HammerGestureConfig {
         }
     ],
     entryComponents: [
-        IndexingGroupModalComponent
+        IndexingGroupModalComponent,
+        AlertComponent
     ],
 })
 export class SharedModule { }
diff --git a/src/frontend/lang/lang-en.ts b/src/frontend/lang/lang-en.ts
index 74a5a22bc3e8d5ebdc857dd833cc2586dfb28e20..03d882542012814a5560ec5ecbb8086a34cecec1 100755
--- a/src/frontend/lang/lang-en.ts
+++ b/src/frontend/lang/lang-en.ts
@@ -11,7 +11,7 @@ export const LANG_EN = {
     'quotaExceeded'                         : 'Quota exceeded',
     "aboutUs"                               : "About Maarch Courrier",
     "abs"                                   : "Absent",
-    "accessUpdateWizard"                    : "Access to wizard update version",
+    "makeUpdate"                            : "Update",
     "accordingTemplateParameters"           : "According to the parameters defined in the model",
     "accountAdded"                          : "Account added",
     "accountDeleted"                        : "Account deleted",
@@ -1024,4 +1024,5 @@ export const LANG_EN = {
     "to_sign" : "To sign",
     "to_note" : "To note",
     "confidential" : "Confidential",
+    "ok" : "Ok",
 };
diff --git a/src/frontend/lang/lang-fr.ts b/src/frontend/lang/lang-fr.ts
index ec17b28f00b34b52e8a15fde74d1c0cbf10fd2af..8c8716980be8584ce3bfcda182488c219511044d 100755
--- a/src/frontend/lang/lang-fr.ts
+++ b/src/frontend/lang/lang-fr.ts
@@ -13,7 +13,7 @@ export const LANG_FR = {
     "abs"                                   : "Absent",
     "absOff"                                : "Absence désactivée",
     "absOn"                                 : "Absence activée",
-    "accessUpdateWizard"                    : "Accéder à l'assistant de mise à jour",
+    "makeUpdate"                            : "Mettre à jour",
     "accordingTemplateParameters"           : "Selon les paramètres définis dans le modèle",
     "accountAdded"                          : "Compte créé",
     "accountDeleted"                        : "Compte supprimé",
@@ -1057,4 +1057,5 @@ export const LANG_FR = {
     "to_sign" : "À signer",
     "to_note" : "À annoter",
     "confidential" : "Confidentiel",
+    "ok" : "Ok",
 };
\ No newline at end of file
diff --git a/src/frontend/lang/lang-nl.ts b/src/frontend/lang/lang-nl.ts
index ad50c26052387a7c88590451a2037f6bd3752905..233975b87ac64d808e3b8f525207675364253c4b 100755
--- a/src/frontend/lang/lang-nl.ts
+++ b/src/frontend/lang/lang-nl.ts
@@ -6,7 +6,7 @@ export const LANG_NL = {
     "abs"                                   : "Afwezig",
     "absOff"                                : "Afwezigheid uitgeschakeld",
     "absOn"                                 : "Afwezigheid ingeschakeld",
-    "accessUpdateWizard"                    : "Toegang tot de update-assistent verkrijgen",
+    "makeUpdate"                            : "Update",
     "accordingTemplateParameters"           : "According to the parameters defined in the model", //_TO_TRANSLATE
     "accountAdded"                          : "Account added", //_TO_TRANSLATE
     "accountDeleted"                        : "Account deleted", //_TO_TRANSLATE
@@ -1050,4 +1050,5 @@ export const LANG_NL = {
     "to_sign" : "To sign", //_TO_TRANSLATE
     "to_note" : "To note", //_TO_TRANSLATE
     "confidential" : "Confidential", //_TO_TRANSLATE
+    "ok" : "Ok", //_TO_TRANSLATE
 };
diff --git a/src/frontend/plugins/modal/alert.component.html b/src/frontend/plugins/modal/alert.component.html
new file mode 100644
index 0000000000000000000000000000000000000000..3811499db143700ff3124d074bc003e515232479
--- /dev/null
+++ b/src/frontend/plugins/modal/alert.component.html
@@ -0,0 +1,9 @@
+<div class="modalContent {{data.mode}}">
+  <h1 mat-dialog-title>{{data.title}}</h1>
+  <div mat-dialog-content [innerHTML]="data.msg">
+
+  </div>
+  <div mat-dialog-actions>
+    <button class="actions" color="primary" mat-raised-button (click)="this.dialogRef.close();">{{lang.ok}}</button>
+  </div>
+</div>
\ No newline at end of file
diff --git a/src/frontend/plugins/modal/alert.component.scss b/src/frontend/plugins/modal/alert.component.scss
new file mode 100644
index 0000000000000000000000000000000000000000..40fc92c036994bd44b5264c2fc47d8e8f82427cd
--- /dev/null
+++ b/src/frontend/plugins/modal/alert.component.scss
@@ -0,0 +1,33 @@
+@import '../../css/vars.scss';
+
+.modalContent {
+    position: relative;
+}
+.mat-dialog-content, .mat-dialog-title {
+    text-align:center !important;
+    color: #666;
+}
+.mat-dialog-title {
+    padding-left: 10px;
+    padding-right: 10px;
+    color: white;
+}
+.actions {
+    width: 100%;
+    margin: 10px;
+}
+.close {
+    position: absolute;
+    top: -15px;
+    right: -15px;
+    width: 40px;
+    height: 40px;
+    font-size: 20px;
+    color: #666;
+}
+
+.warning {
+    .mat-dialog-title, .actions {
+        color : $warn;
+    }
+}
\ No newline at end of file
diff --git a/src/frontend/plugins/modal/alert.component.ts b/src/frontend/plugins/modal/alert.component.ts
new file mode 100644
index 0000000000000000000000000000000000000000..b62e0f4f564c197d185414bbd32fd1654b5a796c
--- /dev/null
+++ b/src/frontend/plugins/modal/alert.component.ts
@@ -0,0 +1,21 @@
+import { Component, Inject } from '@angular/core';
+import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material';
+import { LANG } from '../../app/translate.component';
+
+@Component({
+    templateUrl: 'alert.component.html',
+    styleUrls: ['alert.component.scss']
+})
+export class AlertComponent {
+
+    lang: any = LANG;
+
+    constructor(@Inject(MAT_DIALOG_DATA) public data: any, public dialogRef: MatDialogRef<AlertComponent>) {
+        if (this.data.mode === null) {
+            this.data.mode = '';
+        }
+        if (this.data.msg === null) {
+            this.data.msg = '';
+        }
+    }
+}