diff --git a/.github/RELEASE-TEMPLATE.md b/.github/RELEASE-TEMPLATE.md
index bc3db28..c71b49d 100644
--- a/.github/RELEASE-TEMPLATE.md
+++ b/.github/RELEASE-TEMPLATE.md
@@ -2,7 +2,7 @@
 Description
 
 ## Compatibility
-NetBox: >=3.6.0
+NetBox: =3.7.x
 Python: 3.8
 
 ## Update procedure
diff --git a/README.md b/README.md
index cfb5c13..3c75eaa 100644
--- a/README.md
+++ b/README.md
@@ -20,9 +20,11 @@ Full reference: [Using Plugins - NetBox Documentation](https://docs.netbox.dev/e
 
 ### Requirements
 
-* NetBox (>=3.6.0)
+* NetBox (=3.7.x)
 * Python 3.8 or higher
 
+This is the last version compatible with NetBox 3. Future releases will support 4.0 only.
+
 *Note:* the plugin uses some classes that are not explicitely exported in 
 NetBox's plugin API, such as MPTT Tree-based models. Upward compatiblity is
 not guaranteed.