diff --git a/.github/workflows/drift-check.yml b/.github/workflows/drift-check.yml
index 7e03974..9fecf9a 100644
--- a/.github/workflows/drift-check.yml
+++ b/.github/workflows/drift-check.yml
@@ -94,7 +94,7 @@ jobs:
       contents: read
       issues: write
       id-token: write
-    uses: QuantStrategyLab/QuantPlatformKit/.github/workflows/reusable-drift-check.yml@be45863ad75316e3c993338828da356ddfb42f65
+    uses: QuantStrategyLab/QuantPlatformKit/.github/workflows/reusable-drift-check.yml@e21547bf3074ba282871f0a245466a57bba89fcb
     with:
       strategy_domain: hk_equity
       caller_event_name: ${{ github.event_name }}
@@ -103,7 +103,7 @@ jobs:
       snapshot_checkout_path: external/HkEquitySnapshotPipelines
       snapshot_repository_ref: ${{ needs.preflight_backtests.outputs.snapshot_repository_ref }}
       ai_gateway_service_url: ${{ vars.AI_GATEWAY_SERVICE_URL }}
-      quant_platform_kit_ref: be45863ad75316e3c993338828da356ddfb42f65
+      quant_platform_kit_ref: e21547bf3074ba282871f0a245466a57bba89fcb
       lifecycle_preflight_artifact: lifecycle-preflight-${{ github.run_id }}-${{ github.run_attempt }}
     secrets:
       codex_audit_service_url: ${{ secrets.CODEX_AUDIT_SERVICE_URL }}
diff --git a/pyproject.toml b/pyproject.toml
index f99c5f9..2b2d62c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,7 @@ readme = "README.md"
 requires-python = ">=3.11"
 dependencies = [
   "pandas>=2.0",
-  "quant-platform-kit @ git+https://github.com/QuantStrategyLab/QuantPlatformKit.git@be45863ad75316e3c993338828da356ddfb42f65",
+  "quant-platform-kit @ git+https://github.com/QuantStrategyLab/QuantPlatformKit.git@e21547bf3074ba282871f0a245466a57bba89fcb",
 ]
 
 [project.optional-dependencies]
diff --git a/qsl.toml b/qsl.toml
index 50d940e..08977b2 100644
--- a/qsl.toml
+++ b/qsl.toml
@@ -5,5 +5,5 @@ upgrade_ring = "ring_b"
 bundle = "2026.08.0"
 requires = [
   "pandas>=2.0",
-  "quant-platform-kit @ git+https://github.com/QuantStrategyLab/QuantPlatformKit.git@be45863ad75316e3c993338828da356ddfb42f65",
+  "quant-platform-kit @ git+https://github.com/QuantStrategyLab/QuantPlatformKit.git@e21547bf3074ba282871f0a245466a57bba89fcb",
 ]
diff --git a/tests/test_drift_workflow_config.py b/tests/test_drift_workflow_config.py
index 3e0b330..aa35bd3 100644
--- a/tests/test_drift_workflow_config.py
+++ b/tests/test_drift_workflow_config.py
@@ -1,7 +1,7 @@
 from pathlib import Path
 
 
-QPK_REF = "be45863ad75316e3c993338828da356ddfb42f65"
+QPK_REF = "e21547bf3074ba282871f0a245466a57bba89fcb"
 
 
 def test_drift_workflow_builds_and_wires_lifecycle_preflight() -> None:
diff --git a/tests/test_qsl_compat_metadata.py b/tests/test_qsl_compat_metadata.py
index 6a59621..9b74c4e 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 = "be45863ad75316e3c993338828da356ddfb42f65"
+QPK_REVISION = "e21547bf3074ba282871f0a245466a57bba89fcb"
 QPK_URL = (
     "quant-platform-kit @ git+https://github.com/QuantStrategyLab/"
     f"QuantPlatformKit.git@{QPK_REVISION}"
diff --git a/uv.lock b/uv.lock
index 5384cc3..6407186 100644
--- a/uv.lock
+++ b/uv.lock
@@ -40,7 +40,7 @@ test = [
 requires-dist = [
     { name = "pandas", specifier = ">=2.0" },
     { name = "pytest", marker = "extra == 'test'", specifier = ">=8" },
-    { name = "quant-platform-kit", git = "https://github.com/QuantStrategyLab/QuantPlatformKit.git?rev=be45863ad75316e3c993338828da356ddfb42f65" },
+    { name = "quant-platform-kit", git = "https://github.com/QuantStrategyLab/QuantPlatformKit.git?rev=e21547bf3074ba282871f0a245466a57bba89fcb" },
 ]
 provides-extras = ["test"]
 
@@ -315,7 +315,7 @@ wheels = [
 [[package]]
 name = "quant-platform-kit"
 version = "0.10.0"
-source = { git = "https://github.com/QuantStrategyLab/QuantPlatformKit.git?rev=be45863ad75316e3c993338828da356ddfb42f65#be45863ad75316e3c993338828da356ddfb42f65" }
+source = { git = "https://github.com/QuantStrategyLab/QuantPlatformKit.git?rev=e21547bf3074ba282871f0a245466a57bba89fcb#e21547bf3074ba282871f0a245466a57bba89fcb" }
 
 [[package]]
 name = "six"