diff --git a/.github/workflows/drift-check.yml b/.github/workflows/drift-check.yml
index 53b140d..3afda61 100644
--- a/.github/workflows/drift-check.yml
+++ b/.github/workflows/drift-check.yml
@@ -31,7 +31,7 @@ jobs:
         uses: actions/checkout@v6
         with:
           repository: QuantStrategyLab/QuantPlatformKit
-          ref: ee8d996392f96e8bdf40988bd68ae30bf5911d2d
+          ref: 5f1c5497f9e2bbd9bcbef5e5053fab49e6ad45ee
           path: external/QuantPlatformKit
 
       - name: Set up Python
@@ -215,7 +215,7 @@ jobs:
       contents: read
       issues: write
       id-token: write
-    uses: QuantStrategyLab/QuantPlatformKit/.github/workflows/reusable-drift-check.yml@ee8d996392f96e8bdf40988bd68ae30bf5911d2d
+    uses: QuantStrategyLab/QuantPlatformKit/.github/workflows/reusable-drift-check.yml@5f1c5497f9e2bbd9bcbef5e5053fab49e6ad45ee
     with:
       strategy_domain: us_equity
       caller_event_name: ${{ github.event_name }}
@@ -224,7 +224,7 @@ jobs:
       snapshot_checkout_path: external/UsEquitySnapshotPipelines
       snapshot_repository_ref: ${{ needs.preflight_backtests.outputs.snapshot_repository_ref }}
       ai_gateway_service_url: ${{ vars.AI_GATEWAY_SERVICE_URL }}
-      quant_platform_kit_ref: ee8d996392f96e8bdf40988bd68ae30bf5911d2d
+      quant_platform_kit_ref: 5f1c5497f9e2bbd9bcbef5e5053fab49e6ad45ee
       lifecycle_preflight_artifact: lifecycle-preflight-${{ github.run_id }}-${{ github.run_attempt }}
       strategy_profile: ${{ inputs.strategy_profile || '' }}
     secrets:
diff --git a/pyproject.toml b/pyproject.toml
index 9e07799..2c86354 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,7 @@ requires-python = ">=3.11"
 dependencies = [
   "pandas>=2.0",
   "pytz>=2024.1",
-  "quant-platform-kit @ git+https://github.com/QuantStrategyLab/QuantPlatformKit.git@ee8d996392f96e8bdf40988bd68ae30bf5911d2d",
+  "quant-platform-kit @ git+https://github.com/QuantStrategyLab/QuantPlatformKit.git@5f1c5497f9e2bbd9bcbef5e5053fab49e6ad45ee",
 ]
 
 [tool.setuptools]
diff --git a/qsl.toml b/qsl.toml
index f17887a..ace43cb 100644
--- a/qsl.toml
+++ b/qsl.toml
@@ -6,5 +6,5 @@ bundle = "2026.08.0"
 requires = [
   "pandas>=2.0",
   "pytz>=2024.1",
-  "quant-platform-kit @ git+https://github.com/QuantStrategyLab/QuantPlatformKit.git@ee8d996392f96e8bdf40988bd68ae30bf5911d2d",
+  "quant-platform-kit @ git+https://github.com/QuantStrategyLab/QuantPlatformKit.git@5f1c5497f9e2bbd9bcbef5e5053fab49e6ad45ee",
 ]
diff --git a/tests/test_drift_workflow_config.py b/tests/test_drift_workflow_config.py
index 9e22ef2..6a02a18 100644
--- a/tests/test_drift_workflow_config.py
+++ b/tests/test_drift_workflow_config.py
@@ -21,7 +21,7 @@ def test_drift_workflow_wires_real_snapshot_history_and_preflight_bundle() -> No
     assert '"conclusion": "success"' in workflow
     assert '"QuantStrategyLab/UsEquitySnapshotPipelines"' in workflow
     assert "repository: QuantStrategyLab/QuantPlatformKit" in workflow
-    assert "ref: ee8d996392f96e8bdf40988bd68ae30bf5911d2d" in workflow
+    assert "ref: 5f1c5497f9e2bbd9bcbef5e5053fab49e6ad45ee" in workflow
     assert "python -m pip install --no-deps -e external/QuantPlatformKit" in workflow
     assert "scripts/run_walk_forward_backtest.py" in workflow
     assert '"--list-lifecycle-profiles"' in workflow
@@ -30,7 +30,7 @@ def test_drift_workflow_wires_real_snapshot_history_and_preflight_bundle() -> No
     assert "LIFECYCLE_PREFLIGHT_BUNDLE_ROOT" in workflow
     assert "Upload lifecycle preflight artifact" in workflow
     assert "actions/upload-artifact@v7" in workflow
-    assert "uses: QuantStrategyLab/QuantPlatformKit/.github/workflows/reusable-drift-check.yml@ee8d996392f96e8bdf40988bd68ae30bf5911d2d" in workflow
+    assert "uses: QuantStrategyLab/QuantPlatformKit/.github/workflows/reusable-drift-check.yml@5f1c5497f9e2bbd9bcbef5e5053fab49e6ad45ee" in workflow
     assert "strategy_domain: us_equity" in workflow
     assert "caller_event_name: ${{ github.event_name }}" in workflow
     assert "caller_pr_head_repository: ${{ github.event.pull_request.head.repo.full_name || '' }}" in workflow
@@ -38,7 +38,7 @@ def test_drift_workflow_wires_real_snapshot_history_and_preflight_bundle() -> No
     assert "snapshot_checkout_path: external/UsEquitySnapshotPipelines" in workflow
     assert "ai_gateway_service_url: ${{ vars.AI_GATEWAY_SERVICE_URL }}" in workflow
     assert "lifecycle_preflight_artifact: lifecycle-preflight-${{ github.run_id }}-${{ github.run_attempt }}" in workflow
-    assert "quant_platform_kit_ref: ee8d996392f96e8bdf40988bd68ae30bf5911d2d" in workflow
+    assert "quant_platform_kit_ref: 5f1c5497f9e2bbd9bcbef5e5053fab49e6ad45ee" in workflow
     assert "strategy_profile:" in workflow
     assert "REQUESTED_STRATEGY_PROFILE: ${{ inputs.strategy_profile || '' }}" in workflow
     assert '"--list-profiles"' in workflow
diff --git a/tests/test_qsl_compat_metadata.py b/tests/test_qsl_compat_metadata.py
index 7be2456..8115548 100644
--- a/tests/test_qsl_compat_metadata.py
+++ b/tests/test_qsl_compat_metadata.py
@@ -3,7 +3,7 @@
 
 
 ROOT = Path(__file__).resolve().parents[1]
-QPK_REVISION = "ee8d996392f96e8bdf40988bd68ae30bf5911d2d"
+QPK_REVISION = "5f1c5497f9e2bbd9bcbef5e5053fab49e6ad45ee"
 QPK_URL = (
     "quant-platform-kit @ git+https://github.com/QuantStrategyLab/"
     f"QuantPlatformKit.git@{QPK_REVISION}"
diff --git a/uv.lock b/uv.lock
index 607cfe0..9db051d 100644
--- a/uv.lock
+++ b/uv.lock
@@ -241,7 +241,7 @@ wheels = [
 [[package]]
 name = "quant-platform-kit"
 version = "0.10.0"
-source = { git = "https://github.com/QuantStrategyLab/QuantPlatformKit.git?rev=ee8d996392f96e8bdf40988bd68ae30bf5911d2d#ee8d996392f96e8bdf40988bd68ae30bf5911d2d" }
+source = { git = "https://github.com/QuantStrategyLab/QuantPlatformKit.git?rev=5f1c5497f9e2bbd9bcbef5e5053fab49e6ad45ee#5f1c5497f9e2bbd9bcbef5e5053fab49e6ad45ee" }
 
 [[package]]
 name = "six"
@@ -275,5 +275,5 @@ dependencies = [
 requires-dist = [
     { name = "pandas", specifier = ">=2.0" },
     { name = "pytz", specifier = ">=2024.1" },
-    { name = "quant-platform-kit", git = "https://github.com/QuantStrategyLab/QuantPlatformKit.git?rev=ee8d996392f96e8bdf40988bd68ae30bf5911d2d" },
+    { name = "quant-platform-kit", git = "https://github.com/QuantStrategyLab/QuantPlatformKit.git?rev=5f1c5497f9e2bbd9bcbef5e5053fab49e6ad45ee" },
 ]