diff --git a/doc/source/integrations/index.rst b/doc/source/integrations/index.rst
index f48bc76bb..1462a9798 100644
--- a/doc/source/integrations/index.rst
+++ b/doc/source/integrations/index.rst
@@ -35,7 +35,7 @@ Integration Status Matrix
          - Minimal
          - Integration
        * - :ref:`MAAS <maas_integration>`
-         - Experimental
+         - Deprecated
          - Missing
          - Unit
        * - :ref:`Neutron <neutron_integration>`
@@ -95,8 +95,7 @@ MAAS (Metal As A Service)
 ^^^^^^^^^^^^^^^^^^^^^^^^^
 This integration allows managing bare metal servers of a MAAS service,
 which includes Actions that manage the power state of nodes. This
-integration is classified as Experimental and may be removed in future
-releases.
+integration is deprecated and will be removed in a future release.
 
 .. _neutron_integration:
 
diff --git a/releasenotes/notes/deprecate-maas-9dfbb7975d379231.yaml b/releasenotes/notes/deprecate-maas-9dfbb7975d379231.yaml
new file mode 100644
index 000000000..8006199bb
--- /dev/null
+++ b/releasenotes/notes/deprecate-maas-9dfbb7975d379231.yaml
@@ -0,0 +1,8 @@
+---
+deprecations:
+  - |
+    The MAAS (Metal as a Service) integration is now deprecated. This feature
+    was previously marked as experimental due to lack of testing, maintenance,
+    and documentation. The MAAS integration code is planned to be removed in
+    a future release, before or together with the removal of eventlet from
+    Watcher.
diff --git a/watcher/common/clients.py b/watcher/common/clients.py
index 3eedc806e..aa9885a20 100644
--- a/watcher/common/clients.py
+++ b/watcher/common/clients.py
@@ -235,13 +235,12 @@ class OpenStackClients:
         if self._maas:
             return self._maas
 
-        # NOTE(dviroel): This integration is classified as Experimental due to
-        # the lack of documentation and CI testing. It can be marked as
-        # supported or deprecated in future releases, based on improvements.
+        # NOTE(dviroel): This integration is deprecated due to the lack of
+        # maintenance and support. It has eventlet code that is required to be
+        # removed/replaced in future releases.
         debtcollector.deprecate(
-            ("MAAS is an experimental integration and may be "
-             "deprecated in future releases."),
-            version="2025.2", category=PendingDeprecationWarning)
+            ("MAAS integration is deprecated and it will be removed in a "
+             "future release."), version="2026.1", category=DeprecationWarning)
 
         if not maas_client:
             raise exception.UnsupportedError(