diff --git a/01_project_management/workpackages/workpackages.md b/01_project_management/workpackages/workpackages.md
index d971d41..d284737 100644
--- a/01_project_management/workpackages/workpackages.md
+++ b/01_project_management/workpackages/workpackages.md
@@ -116,16 +116,18 @@ package a preregistration was published. This file contains an overview of them.
 
 * Collaborators:
   - Anna Christina Faller
+  - Stefanie Klein
+  - Sonja Utz
 
 * Preregistration link: https://aspredicted.org/h7vf8s.pdf
 
 ### WP11
 
-* Description:
+* Description: This work package examines how AI usage is associated with workplace productivity and whether cognitive self-esteem moderates these associations over time.
 
 * Collaborators:
-  - Nora Hampel
+  - Nora Hampel, Sonja Utz
 
-* Preregistration link:
+* Preregistration link: https://aspredicted.org/ba2ds2.pdf