diff --git a/phases/nonlinear-static-newton-raphson/index.json b/phases/nonlinear-static-newton-raphson/index.json
index a0cca16..ba919b7 100644
--- a/phases/nonlinear-static-newton-raphson/index.json
+++ b/phases/nonlinear-static-newton-raphson/index.json
@@ -45,7 +45,10 @@
     {
       "step": 5,
       "name": "load-boundary-path-and-convergence-gates",
-      "status": "pending"
+      "status": "completed",
+      "started_at": "2026-08-24T14:00:07+0900",
+      "summary": "Implemented fixed nonlinear load/boundary control, external tangent assembly, and typed Newton convergence gates with regression coverage.",
+      "completed_at": "2026-08-24T14:13:14+0900"
     },
     {
       "step": 6,