diff --git a/docs/adr/ADR-0081-frontier-provider-adapters.md b/docs/adr/ADR-0082-frontier-provider-adapters.md
similarity index 96%
rename from docs/adr/ADR-0081-frontier-provider-adapters.md
rename to docs/adr/ADR-0082-frontier-provider-adapters.md
index 3f9ba30c..d8895c57 100644
--- a/docs/adr/ADR-0081-frontier-provider-adapters.md
+++ b/docs/adr/ADR-0082-frontier-provider-adapters.md
@@ -1,8 +1,9 @@
-# ADR-0081 — Frontier Provider Adapters
+# ADR-0082 — Frontier Provider Adapters
 
-**Status:** Ratified  
-**Date:** 2026-05-20  
+**Status:** Ratified
+**Date:** 2026-05-20
 **Author:** Shay
+**Renumbered from:** ADR-0081 (collided with a parallel `docs/decisions/` track; this `docs/adr/` track is renumbered to 0082 to keep both sequences monotonic).
 
 ---
 
diff --git a/evals/frontier_compare/model_registry.py b/evals/frontier_compare/model_registry.py
index 9e444ed7..1c3497f9 100644
--- a/evals/frontier_compare/model_registry.py
+++ b/evals/frontier_compare/model_registry.py
@@ -21,7 +21,7 @@ Adding a new model
 
 ADR
 ---
-ADR-0081 — Frontier provider adapters
+ADR-0082 — Frontier provider adapters
 """
 
 from __future__ import annotations
diff --git a/evals/frontier_compare/providers.py b/evals/frontier_compare/providers.py
index ced61cae..205b3ac3 100644
--- a/evals/frontier_compare/providers.py
+++ b/evals/frontier_compare/providers.py
@@ -46,7 +46,7 @@ Provider keys
 
 ADR
 ---
-ADR-0081 — Frontier provider adapters
+ADR-0082 — Frontier provider adapters
 """
 
 from __future__ import annotations