diff --git a/TODO.md b/TODO.md
index 09f14e3..dd818c5 100644
--- a/TODO.md
+++ b/TODO.md
@@ -46,13 +46,15 @@
 ## Next 2 Weeks (Weeks 48-49)
 
 **Detailed Plan:** See [TASKS_WEEK_48.md](TASKS_WEEK_48.md)
+**Status:** 4/8 tasks completed (50%)
 
 ### ⚠️ High Priority (Week 48)
-- [ ] Create separate inventories public repository (P1)
-- [ ] Create separate secrets private repository (P0)
-- [ ] Set up CI/CD pipeline with Gitea Actions (P1)
-- [ ] Implement Docker security hardening (P1)
-- [ ] Git submodule integration and testing (P2)
+- [x] ✅ Create separate inventories repository - Made PRIVATE (ID: 30)
+- [x] ✅ Create separate secrets private repository - Updated and secured (ID: exists)
+- [x] ✅ Git submodule integration and testing - Both submodules operational
+- [x] ✅ Create comprehensive submodule documentation - docs/submodule-workflow.md
+- [ ] Set up CI/CD pipeline with Gitea Actions (P1) - Next priority
+- [ ] Implement Docker security hardening (P1) - Next priority
 
 ### 📋 Medium Priority
 - [ ] Add production/staging inventory configurations
@@ -100,6 +102,10 @@
 - [x] ✅ Create SSH key for git operations (secrets/ssh/ansible)
 - [x] ✅ Configure git to use SSH key authentication
 - [x] ✅ Recreate Gitea repository with proper permissions
+- [x] ✅ Separate inventories into dedicated repository (PRIVATE)
+- [x] ✅ Separate secrets into dedicated repository (PRIVATE)
+- [x] ✅ Configure git submodules for inventories and secrets
+- [x] ✅ Create submodule workflow documentation
 - [ ] Fix inventory group name sanitization
 - [x] ✅ Add audit_docker.yml playbook
 - [ ] Create testing cheatsheet