diff --git a/.console/log.md b/.console/log.md
index 9e49aa517..0bc8ff42c 100644
--- a/.console/log.md
+++ b/.console/log.md
@@ -1,3 +1,12 @@
+## 2026-06-18 — chore: bump custodian pin to d6ba8ab (collision fix)
+
+Local `.venv` custodian was pinned at a29648a (pre-#48), and the reviewer fleet
+runs `OC/.venv/bin/custodian-multi` (pr_review_watcher main.py:1424) — so the
+live reviewer was auditing PRs with a custodian that masked colliding-ID
+findings (the R2 phantom). Bumped the pin to Custodian@d6ba8ab (PR #48:
+add_pattern un-masks collisions + content-less B2 message). Reinstall the venv
+after merge so the running fleet picks it up.
+
 ## 2026-06-18 — Stage 4: Run incomplete-integration gate and clear all findings
 
 Ran the custodian-multi incomplete-integration gate to verify B1, B2, D12, and
diff --git a/pyproject.toml b/pyproject.toml
index 752394d02..b20c19785 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -110,7 +110,7 @@ dev = [
   "pytest-cov>=6.0",
   "ruff==0.15.13",
   "ty==0.0.40",
-  "custodian @ git+https://github.com/ProtocolWarden/Custodian.git@a29648a77adc190be45f5570f9373992c669333c",
+  "custodian @ git+https://github.com/ProtocolWarden/Custodian.git@d6ba8ab245c6f4e79e9f8fffd4e4221bfaf266e8",
 ]
 
 [tool.setuptools.packages.find]