diff --git a/dbt_semantic_interfaces/transformations/default_grain.py b/dbt_semantic_interfaces/transformations/default_granularity.py
similarity index 95%
rename from dbt_semantic_interfaces/transformations/default_grain.py
rename to dbt_semantic_interfaces/transformations/default_granularity.py
index 0b31a8f0..6e5f9af6 100644
--- a/dbt_semantic_interfaces/transformations/default_grain.py
+++ b/dbt_semantic_interfaces/transformations/default_granularity.py
@@ -16,7 +16,7 @@
 from dbt_semantic_interfaces.type_enums.time_granularity import TimeGranularity
 
 
-class SetDefaultGrainRule(ProtocolHint[SemanticManifestTransformRule[PydanticSemanticManifest]]):
+class SetDefaultGranularityRule(ProtocolHint[SemanticManifestTransformRule[PydanticSemanticManifest]]):
     """If default_granularity is not set for a metric, set it to DAY if available, else the smallest available grain."""
 
     @override
diff --git a/dbt_semantic_interfaces/validations/metrics.py b/dbt_semantic_interfaces/validations/metrics.py
index bced1a64..4e68afaa 100644
--- a/dbt_semantic_interfaces/validations/metrics.py
+++ b/dbt_semantic_interfaces/validations/metrics.py
@@ -577,7 +577,7 @@ def validate_manifest(semantic_manifest: SemanticManifestT) -> Sequence[Validati
         return issues
 
 
-class DefaultGrainRule(SemanticManifestValidationRule[SemanticManifestT], Generic[SemanticManifestT]):
+class DefaultGranularityRule(SemanticManifestValidationRule[SemanticManifestT], Generic[SemanticManifestT]):
     """Checks that default_granularity set for metric is queryable for that metric."""
 
     @staticmethod
@@ -619,7 +619,7 @@ def _validate_metric(
         )
 
         if metric.default_granularity:
-            min_queryable_granularity = DefaultGrainRule._min_queryable_granularity_for_metric(
+            min_queryable_granularity = DefaultGranularityRule._min_queryable_granularity_for_metric(
                 metric=metric, metric_index=metric_index, measure_to_agg_time_dimension=measure_to_agg_time_dimension
             )
             valid_granularities = [
@@ -666,7 +666,7 @@ def validate_manifest(semantic_manifest: SemanticManifestT) -> Sequence[Validati
 
         metric_index = {MetricReference(metric.name): metric for metric in semantic_manifest.metrics}
         for metric in semantic_manifest.metrics or []:
-            issues += DefaultGrainRule._validate_metric(
+            issues += DefaultGranularityRule._validate_metric(
                 metric=metric,
                 metric_index=metric_index,
                 measure_to_agg_time_dimension=measure_to_agg_time_dimension,
diff --git a/pyproject.toml b/pyproject.toml
index 60bb3415..30394519 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "dbt-semantic-interfaces"
-version = "0.6.2.dev0"
+version = "0.6.2.dev1"
 description = 'The shared semantic layer definitions that dbt-core and MetricFlow use'
 readme = "README.md"
 requires-python = ">=3.8"
diff --git a/tests/validations/test_metrics.py b/tests/validations/test_metrics.py
index a84cbe6a..b6b25f7f 100644
--- a/tests/validations/test_metrics.py
+++ b/tests/validations/test_metrics.py
@@ -46,7 +46,7 @@
     CUMULATIVE_TYPE_PARAMS_SUPPORTED,
     ConversionMetricRule,
     CumulativeMetricRule,
-    DefaultGrainRule,
+    DefaultGranularityRule,
     DerivedMetricRule,
     WhereFiltersAreParseable,
 )
@@ -722,7 +722,7 @@ def test_default_granularity() -> None:
     month_measure_name = "boo"
     week_time_dim_name = "ds__week"
     month_time_dim_name = "ds__month"
-    model_validator = SemanticManifestValidator[PydanticSemanticManifest]([DefaultGrainRule()])
+    model_validator = SemanticManifestValidator[PydanticSemanticManifest]([DefaultGranularityRule()])
     validation_results = model_validator.validate_semantic_manifest(
         PydanticSemanticManifest(
             semantic_models=[