diff --git a/_gsocproposals/2026/proposal_Belle2_ARM.md b/_gsocproposals/2026/proposal_Belle2_ARM.md
index 42960537c..24bfab85b 100644
--- a/_gsocproposals/2026/proposal_Belle2_ARM.md
+++ b/_gsocproposals/2026/proposal_Belle2_ARM.md
@@ -6,6 +6,7 @@ year: 2026
 organization:
   - LMU
   - KIT
+  - CPPM
 difficulty: medium
 duration: 350
 mentor_avail: May-October