diff --git a/docs/TODO.md b/docs/TODO.md
index b5529c0..da1c4d7 100644
--- a/docs/TODO.md
+++ b/docs/TODO.md
@@ -30,6 +30,10 @@
 - [ ] Update MatchEditor to use tournament-specific target score
 - [ ] Run tests and verify variant scoring implementation
 
+### Recently Completed ✅
+- [x] Fix Prisma build error in CI pipeline (Docker build failure due to missing DATABASE_URL validation)
+- [x] Add defensive checks to src/lib/prisma.ts to prevent build failures
+
 ### Recently Completed ✅
 - [x] Add OpenSkill rating system support (src/lib/openskill-utils.ts)
 - [x] Add Glicko2 rating system support (src/lib/glicko2-utils.ts)