diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 579b4aa..dcb3e7d 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -1,7 +1,7 @@
 Release Notes
 =============
 
-v1.0.0-alpha.x
+v1.0.0-alpha.16
 ---------------
 
 ### Bug fixes
diff --git a/pyproject.toml b/pyproject.toml
index 1522e78..a2b40cd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,9 +3,9 @@
 
 [project]
 name = "openassetio-manager-bal"
-version = "1.0.0a15"
+version = "1.0.0a16"
 requires-python = ">=3.7"
-dependencies = ["openassetio>=1.0.0b2.rev1", "openassetio-mediacreation>=1.0.0a7"]
+dependencies = ["openassetio>=1.0.0b2.rev0", "openassetio-mediacreation>=1.0.0a7"]
 
 authors = [
   { name = "Contributors to the OpenAssetIO project", email = "openassetio-discussion@lists.aswf.io" }
diff --git a/tests/bal_business_logic_suite.py b/tests/bal_business_logic_suite.py
index beb54c9..2e4875c 100644
--- a/tests/bal_business_logic_suite.py
+++ b/tests/bal_business_logic_suite.py
@@ -475,8 +475,27 @@ def test_when_explicit_write_traits_then_those_traits_returned(self):
         )
         context = self.createTestContext()
 
-        read_traits = self._manager.entityTraits(ref, EntityTraitsAccess.kRead, context)
-        write_traits = self._manager.entityTraits(ref, EntityTraitsAccess.kWrite, context)
+        read_results = [None]
+        write_results = [None]
+
+        self._manager.entityTraits(
+            [ref],
+            EntityTraitsAccess.kRead,
+            context,
+            lambda idx, value: operator.setitem(read_results, idx, value),
+            lambda idx, error: self.fail("entityTraits should not fail"),
+        )
+
+        self._manager.entityTraits(
+            [ref],
+            EntityTraitsAccess.kWrite,
+            context,
+            lambda idx, value: operator.setitem(write_results, idx, value),
+            lambda idx, error: self.fail("entityTraits should not fail"),
+        )
+
+        [read_traits] = read_results
+        [write_traits] = write_results
 
         self.assertSetEqual(read_traits, {"string", "number", VersionTrait.kId})
         self.assertSetEqual(write_traits, {"number"})
@@ -489,13 +508,18 @@ def test_when_read_only_entity_then_EntityAccessError_returned(self):
         )
         context = self.createTestContext()
 
-        actual_result = self._manager.entityTraits(
-            ref,
+        results = [None]
+
+        self._manager.entityTraits(
+            [ref],
             EntityTraitsAccess.kWrite,
             context,
-            self._manager.BatchElementErrorPolicyTag.kVariant,
+            lambda idx, value: self.fail("entityTraits should not succeed"),
+            lambda idx, error: operator.setitem(results, idx, error),
         )
 
+        [actual_result] = results
+
         self.assertEqual(actual_result, expected_result)