diff --git a/frontend/src/app/page.tsx b/frontend/src/app/page.tsx
index c43819ba..a8fd3715 100644
--- a/frontend/src/app/page.tsx
+++ b/frontend/src/app/page.tsx
@@ -209,7 +209,7 @@ function NameModal({ open, title = 'New bin', description = 'Give your bin a nam
   )
 }
 
-const SECTION_COLLAPSE_KEY = 'tracefinity.home.collapsedSections'
+const SECTION_COLLAPSE_KEY = 'tracefinity.home.collapsedSections.v2'
 type MainSectionId = 'projects' | 'tools' | 'bins' | 'howItWorks'
 type MainSectionCollapseState = Record<MainSectionId, boolean>
 
diff --git a/frontend/src/app/projects/[id]/page.tsx b/frontend/src/app/projects/[id]/page.tsx
index a90c4049..8cf4c004 100644
--- a/frontend/src/app/projects/[id]/page.tsx
+++ b/frontend/src/app/projects/[id]/page.tsx
@@ -37,7 +37,7 @@ import {
 } from '@/lib/projectSelectors'
 import { AlertTriangle, ArrowLeft, CheckSquare, ChevronDown, ChevronRight, Loader2, Package, Plus, Search, Square, Trash2, Unlink } from 'lucide-react'
 
-const PROJECT_SECTION_COLLAPSE_KEY = 'tracefinity.project.collapsedSections'
+const PROJECT_SECTION_COLLAPSE_KEY = 'tracefinity.project.collapsedSections.v2'
 type ProjectSectionId = 'binDefaults' | 'projectTools' | 'linkedBins'
 type ProjectSectionCollapseState = Record<ProjectSectionId, boolean>