diff --git a/.config/manifest.txt b/.config/manifest.txt
index ae6f9a10..906a95ba 100644
--- a/.config/manifest.txt
+++ b/.config/manifest.txt
@@ -87,6 +87,8 @@ plugins/modules/event_stream.py
 plugins/modules/event_stream_info.py
 plugins/modules/project.py
 plugins/modules/project_info.py
+plugins/modules/rulebook_activation.py
+plugins/modules/rulebook_activation_info.py
 plugins/modules/user.py
 plugins/modules/__init__.py
 plugins/module_utils/
diff --git a/changelogs/fragments/deprecate_activation.yml b/changelogs/fragments/deprecate_activation.yml
new file mode 100644
index 00000000..bda98279
--- /dev/null
+++ b/changelogs/fragments/deprecate_activation.yml
@@ -0,0 +1,5 @@
+deprecated_features:
+  - activation - the ``activation`` module has been renamed to ``rulebook_activation``.
+    The usage of the module has not changed. The activation alias will be removed in version 4.0.0 (https://github.com/ansible/event-driven-ansible/pull/318).
+  - activation_info - the ``activation_info`` module has been renamed to ``rulebook_activation_info``.
+    The usage of the module has not changed. The activation_info alias will be removed in version 4.0.0 (https://github.com/ansible/event-driven-ansible/pull/318).