diff --git a/attachment_azure/__manifest__.py b/attachment_azure/__manifest__.py
index 42200f3..dbaf0c8 100644
--- a/attachment_azure/__manifest__.py
+++ b/attachment_azure/__manifest__.py
@@ -4,7 +4,7 @@
 {
     "name": "Attachments on Azure storage",
     "summary": "Store assets and attachments on a Azure compatible object storage",
-    "version": "12.0.1.0.0",
+    "version": "11.0.1.0.0",
     "author": "Camptocamp, "
     "Open Source Integrators, "
     "Serpent Consulting Services, "