diff --git a/phases/deterministic-parallel-assembly/index.json b/phases/deterministic-parallel-assembly/index.json
index c51a9d5..7ca2919 100644
--- a/phases/deterministic-parallel-assembly/index.json
+++ b/phases/deterministic-parallel-assembly/index.json
@@ -27,5 +27,6 @@
       "completed_at": "2026-08-01T23:36:17+0900"
     }
   ],
-  "created_at": "2026-08-01T22:17:55+0900"
+  "created_at": "2026-08-01T22:17:55+0900",
+  "completed_at": "2026-08-01T23:36:18+0900"
 }
\ No newline at end of file
diff --git a/phases/index.json b/phases/index.json
index e28fa22..2581dc9 100644
--- a/phases/index.json
+++ b/phases/index.json
@@ -32,7 +32,8 @@
     },
     {
       "dir": "deterministic-parallel-assembly",
-      "status": "pending"
+      "status": "completed",
+      "completed_at": "2026-08-01T23:36:18+0900"
     },
     {
       "dir": "result-contract-completion",
@@ -47,4 +48,4 @@
       "status": "pending"
     }
   ]
-}
+}
\ No newline at end of file