diff --git a/qsl.toml b/qsl.toml
index 6a506a1..5375044 100644
--- a/qsl.toml
+++ b/qsl.toml
@@ -9,4 +9,4 @@ quant_platform_kit = "08eed913248953986224e09ea3a8dd9f5ebedc4e"
 us_equity_strategies = "d72fdc9feaa6a9bfe3d91cad240b54c19556d5f1"
 
 [qsl.compat]
-bundle = "2026.08.0"
+bundle = "2026.09.0"
diff --git a/tests/test_qsl_metadata.py b/tests/test_qsl_metadata.py
index dab5a3d..5fd90f9 100644
--- a/tests/test_qsl_metadata.py
+++ b/tests/test_qsl_metadata.py
@@ -12,7 +12,7 @@ def test_qsl_metadata_has_runtime_platform_fields() -> None:
     assert qsl["tier"] == "runtime"
     assert qsl["upgrade_ring"] == "ring_d"
     assert qsl.get("repo") == "FirstradePlatform"
-    assert qsl["compat"]["bundle"] == "2026.08.0"
+    assert qsl["compat"]["bundle"] == "2026.09.0"
     requires = qsl["requires"]
     assert "quant_platform_kit" in requires
     assert "us_equity_strategies" in requires