diff --git a/production-lifecycle-source.json b/production-lifecycle-source.json
index e8fb4b71a..190cb13c3 100644
--- a/production-lifecycle-source.json
+++ b/production-lifecycle-source.json
@@ -1,17 +1,17 @@
 {
   "schema_version": "openadapt.production-readme-source/v1",
   "repository": "OpenAdaptAI/openadapt-ops",
-  "source_commit": "ef29c08ad27b05637abc75fc3ceb3e026821fdda",
+  "source_commit": "9246994b5d2645aed3fe9bfb25163fdce507a27f",
   "files": {
     "projection": {
       "path": "docs/production-lifecycle.json",
-      "url": "https://raw.githubusercontent.com/OpenAdaptAI/openadapt-ops/ef29c08ad27b05637abc75fc3ceb3e026821fdda/docs/production-lifecycle.json",
-      "sha256": "sha256:6c3819c7c68acb1bea8045fa1f059721e535c960707998b8705438f8541fb3d7"
+      "url": "https://raw.githubusercontent.com/OpenAdaptAI/openadapt-ops/9246994b5d2645aed3fe9bfb25163fdce507a27f/docs/production-lifecycle.json",
+      "sha256": "sha256:7acc2884b5f70bd94521288d07e0567269501d679cf52f1f216cbaf7b81e6a16"
     },
     "schema": {
       "path": "docs/schemas/production-lifecycle-public.schema.json",
-      "url": "https://raw.githubusercontent.com/OpenAdaptAI/openadapt-ops/ef29c08ad27b05637abc75fc3ceb3e026821fdda/docs/schemas/production-lifecycle-public.schema.json",
-      "sha256": "sha256:f681a9bb47ff727b409df994e69e62e7c45b38e912911af4c99eca7dd3be40eb"
+      "url": "https://raw.githubusercontent.com/OpenAdaptAI/openadapt-ops/9246994b5d2645aed3fe9bfb25163fdce507a27f/docs/schemas/production-lifecycle-public.schema.json",
+      "sha256": "sha256:c6db48d6089314d745c2cf1af7bced511f359c7fee9cacc2e35b758fc22d7073"
     }
   }
 }
diff --git a/scripts/render_readme_maturity.py b/scripts/render_readme_maturity.py
index bb5137ebc..4494c9e25 100644
--- a/scripts/render_readme_maturity.py
+++ b/scripts/render_readme_maturity.py
@@ -47,6 +47,9 @@
     "evidence_manifest_schema": (
         "schemas/production-lifecycle-evidence-manifest.schema.json"
     ),
+    "evidence_registry": "evidence-registry.json",
+    "evidence_registry_schema": "schemas/evidence-registry.schema.json",
+    "evidence_registry_validator": "scripts/validate_evidence_registry.py",
     "evidence_summary_schema": (
         "schemas/production-lifecycle-evidence-summary.schema.json"
     ),
@@ -307,6 +310,14 @@ def _run_canonical_validator(inputs: Mapping[str, bytes]) -> dict[str, str]:
         if spec is None or spec.loader is None:
             raise MaturityError("canonical lifecycle validator cannot be loaded")
         module = importlib.util.module_from_spec(spec)
+        # The validator imports its sibling scripts by bare module name, so the
+        # materialized script directory has to be importable. It is prepended
+        # for the duration of the call and removed again, together with every
+        # module the validator imported from it, so nothing leaks into the
+        # importing process.
+        script_directory = str(validator_path.parent)
+        sys.path.insert(0, script_directory)
+        before = set(sys.modules)
         try:
             spec.loader.exec_module(module)
             active = module.validate_files(root)
@@ -314,6 +325,15 @@ def _run_canonical_validator(inputs: Mapping[str, bytes]) -> dict[str, str]:
             raise MaturityError(
                 f"canonical lifecycle validator refused: {exc}"
             ) from exc
+        finally:
+            for name in set(sys.modules) - before:
+                origin = getattr(sys.modules[name], "__file__", None)
+                if origin is not None and origin.startswith(script_directory):
+                    del sys.modules[name]
+            try:
+                sys.path.remove(script_directory)
+            except ValueError:
+                pass
     if not isinstance(active, dict) or not all(
         isinstance(key, str) and isinstance(value, str) for key, value in active.items()
     ):