diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4e8b474..6b999b6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,3 +6,4 @@
 * Manage Stretch repositories.
 * Update Apt if any repositories modifications.
 * Manage default preferences file.
+* Ensure to install some additionnals tools (aptitude,…).
diff --git a/README.md b/README.md
index fb48442..84e550c 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,7 @@
 4. [Configuration](#configuration)
     * [Sources List](#sources-list)
     * [Preferences](#preferences)
+    * [Tools](#tools)
 5. [Development](#development)
 6. [License](#license)
 7. [Author Information](#author-information)
@@ -19,8 +20,11 @@ Manage APT repos, preferences and configuration for IPR's servers.
 * **apt_src_list_manage** : If apt sources list files should be managed [default : `true`].
 * **apt_purge_src_list_file** : If the default sources.file must be absent [default : `true`].
 * **apt_stretch_manage** : If Stretch configuration should be managed [default : `true`].
-* **apt_default_pref_path** : Path to set the default preferences file for all repositories [default : `'/etc/apt/preferences.d/default.pref'`].
-* **apt_default_pref_tpl** : Template used to generate the previous config file [default : `'etc/apt/preferences.d/default.pref.j2'`].
+* **apt_default_pref_path** : Path to set the default preferences file for all repositories [default : `/etc/apt/preferences.d/default.pref`].
+* **apt_default_pref_tpl** : Template used to generate the previous config file [default : `etc/apt/preferences.d/default.pref.j2`].
+* **apt_tools_list** : The list of additionnals tools to install [default [see below](#tools)].
+* **apt_tools_state** : State of new tools [default : `installed`].
+* **apt_tools_manage** : If those tools should be managed by the role [default : `true`].
 
 ## Example Playbook
 
@@ -42,11 +46,14 @@ Manage Debian's sources.list :
 * Update Apt if any repositories modifications.
 
 ### Preferences
-
 * Set the preferences for all repositories, default to :
   - Stretch - 510.
   - Stretch Backports - 500.
 
+### Tools
+Ensure to install :
+  * aptitude (better than `apt` to resolve dependencies issues)
+
 ## Development
 
 This source code comes from our [Gogs instance][apt source] and the [Github repo][apt github] exist just to be able to send the role to Ansible Galaxy…
diff --git a/defaults/main.yml b/defaults/main.yml
index 95b42ae..d7cc5d8 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -8,3 +8,8 @@ apt_stretch_manage: true
 
 apt_default_pref_path: '/etc/apt/preferences.d/default.pref'
 apt_default_pref_tpl: 'etc/apt/preferences.d/default.pref.j2'
+
+apt_tools_list:
+  - aptitude
+apt_tools_state: 'installed'
+apt_tools_manage: true
diff --git a/tasks/main.yml b/tasks/main.yml
index d0f2efa..e4b2160 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -7,7 +7,7 @@
     src: '{{ apt_default_pref_tpl }}'
     dest: '{{ apt_default_pref_path }}'
 
-# Sources list
+# Sources list {{{
 ## Purge sources.list file
 - name: CONFIG remove sources.list file
   file:
@@ -37,3 +37,13 @@
     - backports
   notify: aptitude update
   when: apt_src_list_manage and apt_stretch_manage
+# }}}
+
+# Packages
+- name: Ensure useful tools packages
+  apt:
+    name: '{{ item }}'
+    state: '{{ apt_tools_state }}'
+  with_items:
+    - '{{ apt_tools_list }}'
+  when: apt_tools_manage