diff --git a/attachment_preview/__openerp__.py b/attachment_preview/__openerp__.py
index 01012f0d..fc05d947 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": "9.0.1.1.0",
     "author": "Therp BV,Odoo Community Association (OCA)",
     "license": "AGPL-3",
     "complexity": "normal",
@@ -38,7 +38,7 @@
     "test": [
     ],
     "auto_install": False,
-    'installable': False,
+    'installable': True,
     "application": False,
     "external_dependencies": {
         'python': [],