diff --git a/attachment_preview/README.rst b/attachment_preview/README.rst
index 74eecb02..68bbcb2c 100644
--- a/attachment_preview/README.rst
+++ b/attachment_preview/README.rst
@@ -9,11 +9,7 @@ Installation
 ============
 
 For filetype recognition, you'll get the best results by installing
-``python-magic``::
-
-sudo apt-get install python-magic
-or
-pip install file-magic
+``python-magic``:: sudo apt-get install python-magic or pip install file-magic
 
 Usage
 =====
diff --git a/attachment_preview/__openerp__.py b/attachment_preview/__openerp__.py
index 509ef44b..64b7c814 100644
--- a/attachment_preview/__openerp__.py
+++ b/attachment_preview/__openerp__.py
@@ -20,7 +20,7 @@
 ##############################################################################
 {
     "name": "Preview attachments",
-    "version": "8.0.1.1.0",
+    "version": "9.0.1.0.0",
     "author": "Therp BV,Odoo Community Association (OCA)",
     "license": "AGPL-3",
     "complexity": "normal",
@@ -41,6 +41,6 @@
     'installable': True,
     "application": False,
     "external_dependencies": {
-        'python': ['file-magic'],
+        'python': [],
     },
 }