diff --git a/versions/15.0/known_changes.yaml b/versions/15.0/known_changes.yaml
index cdee852..64e7bd7 100644
--- a/versions/15.0/known_changes.yaml
+++ b/versions/15.0/known_changes.yaml
@@ -8,6 +8,7 @@ obsolete:
 # Modules merged into Odoo Core in version 15.0
 merged_in_core:
   - project_category
+  - project_deadline
 
 # Modules renamed in version 15.0
 renamed: