diff --git a/cerberus/src/app/applications/update-application/update-application.component.html b/cerberus/src/app/applications/update-application/update-application.component.html
index cea7b77..1f2b24a 100644
--- a/cerberus/src/app/applications/update-application/update-application.component.html
+++ b/cerberus/src/app/applications/update-application/update-application.component.html
@@ -1,6 +1,6 @@
 <div class="title">
     <h1>Edit the application {{application?.name}}</h1>
-    <button class="icon danger">
+    <button class="icon danger" matTooltip="Remove the application">
         <mat-icon>delete</mat-icon>
     </button>
 </div>
diff --git a/cerberus/src/app/applications/update-application/update-application.component.scss b/cerberus/src/app/applications/update-application/update-application.component.scss
index e69de29..ea5d553 100644
--- a/cerberus/src/app/applications/update-application/update-application.component.scss
+++ b/cerberus/src/app/applications/update-application/update-application.component.scss
@@ -0,0 +1,18 @@
+.title {
+    position: relative;
+    display: flex;
+    align-items: center;
+
+    &:hover {
+        button {
+            opacity: 1;
+        }
+    }
+
+    button {
+        position: absolute;
+        right: 5px;
+        opacity: 0;
+        transition: opacity .2s ease;
+    }
+}
\ No newline at end of file
diff --git a/cerberus/src/app/applications/update-application/update-application.component.ts b/cerberus/src/app/applications/update-application/update-application.component.ts
index d3375d9..78968f9 100644
--- a/cerberus/src/app/applications/update-application/update-application.component.ts
+++ b/cerberus/src/app/applications/update-application/update-application.component.ts
@@ -4,6 +4,7 @@ import { Application } from 'src/app/core/entities/Application';
 import { ReferentialData } from 'src/app/core/entities/ReferentialData';
 import { ApplicationService } from 'src/app/core/services/application.service';
 import { ModalService } from 'src/app/core/services/modal.service';
+import { ReferentialDataService } from 'src/app/core/services/referential-data.service';
 
 @Component({
   selector: 'app-update-application',
@@ -23,10 +24,15 @@ export class UpdateApplicationComponent implements OnInit {
   constructor(
     private _formBuilder: FormBuilder,
     private _modalService: ModalService,
-    private _applicationService: ApplicationService
+    private _applicationService: ApplicationService,
+    private _referentialDataService: ReferentialDataService
   ) {}
 
   ngOnInit(): void {
+    this._referentialDataService.getServiceTypes()
+        .then(serviceTypes => this.serviceTypes = serviceTypes)
+        .catch(error => console.error('An error occured while loading service types.'));
+
     this.application = this._modalService.data;
     this.form.controls.name.setValue(this.application?.name);
     this.form.controls.serviceName.setValue(this.application?.serviceName);
@@ -41,13 +47,18 @@ export class UpdateApplicationComponent implements OnInit {
 
   onSubmit(): void {
     if (this.form.valid) {
-      const appToAdd: Application = this.form.value as Application;
-      this._applicationService.add(appToAdd)
-          .then(applicationAdded => {
-            console.log('Application added.');
+      const appToUpdate = { ...this.application } as Application;
+      appToUpdate.name = this.form.controls.name.value;
+      appToUpdate.serviceName = this.form.controls.serviceName.value;
+      // appToUpdate.serviceType = this.form.controls.serviceType.value;
+      appToUpdate.image = this.form.controls.image.value;
+
+      this._applicationService.update(appToUpdate)
+          .then(() => {
+            console.log('Application uodated.');
             this._modalService.close();
           })
-          .catch(error => console.error('An error occured while adding the new application.'));
+          .catch(error => console.error('An error occured while updating the application.'));
     } else {
       console.error('Form is invalid');
     }
diff --git a/cerberus/src/app/core/services/application.service.ts b/cerberus/src/app/core/services/application.service.ts
index 04b6a96..efb9652 100644
--- a/cerberus/src/app/core/services/application.service.ts
+++ b/cerberus/src/app/core/services/application.service.ts
@@ -1,4 +1,4 @@
-import { HttpClient } from '@angular/common/http';
+import { HttpClient, HttpHeaders } from '@angular/common/http';
 import { Injectable } from '@angular/core';
 import { Application } from '../entities/Application';
 import { ApplicationStatus } from '../entities/ApplicationStatus';
@@ -17,6 +17,14 @@ export class ApplicationService {
   }
 
   add(application: Application): Promise<Application> {
+    const headers = new HttpHeaders()
+        .append('Content-Type', 'application/json');
     return this._httpClient.post<Application>('/api/applications', application).toPromise();
   }
+
+  update(application: Application): Promise<void> {
+    const headers = new HttpHeaders()
+        .append('Content-Type', 'application/json');
+    return this._httpClient.put<void>(`/api/applications/${application.id}`, application, { headers }).toPromise();
+  }
 }
diff --git a/cerberus/src/components-styles/button.scss b/cerberus/src/components-styles/button.scss
index ead0688..6cef460 100644
--- a/cerberus/src/components-styles/button.scss
+++ b/cerberus/src/components-styles/button.scss
@@ -1,5 +1,9 @@
 @import "../colors.scss";
 
+a.button {
+  text-decoration: none;
+}
+
 button, a.button {
   background-image: linear-gradient(
     $btn-primary-background-top,
diff --git a/src/main/java/org/takiguchi/cerberus/cerberusapp/controller/ApplicationController.java b/src/main/java/org/takiguchi/cerberus/cerberusapp/controller/ApplicationController.java
index b8e890f..b4552a6 100644
--- a/src/main/java/org/takiguchi/cerberus/cerberusapp/controller/ApplicationController.java
+++ b/src/main/java/org/takiguchi/cerberus/cerberusapp/controller/ApplicationController.java
@@ -51,6 +51,7 @@ public class ApplicationController {
                 .withName(application.getName())
                 .withServiceName(application.getServiceName())
                 .withServiceType(application.getServiceType())
+                .withImage(application.getImage())
                 .build();
         service.update(applicationToUpdate);
     }
diff --git a/src/main/java/org/takiguchi/cerberus/cerberusapp/service/ApplicationService.java b/src/main/java/org/takiguchi/cerberus/cerberusapp/service/ApplicationService.java
index 0f654f0..6ea5206 100644
--- a/src/main/java/org/takiguchi/cerberus/cerberusapp/service/ApplicationService.java
+++ b/src/main/java/org/takiguchi/cerberus/cerberusapp/service/ApplicationService.java
@@ -50,6 +50,7 @@ public class ApplicationService {
                         .withName(application.getName())
                         .withServiceName(application.getServiceName())
                         .withServiceType(application.getServiceType())
+                        .withImage(application.getImage())
                         .build()
                 )
                 .ifPresentOrElse(this::validateThenSave, NotFoundException::new);