diff --git a/dbt_semantic_interfaces/parsing/generated_json_schemas/default_explicit_schema.json b/dbt_semantic_interfaces/parsing/generated_json_schemas/default_explicit_schema.json
index dde90bbc..38047288 100644
--- a/dbt_semantic_interfaces/parsing/generated_json_schemas/default_explicit_schema.json
+++ b/dbt_semantic_interfaces/parsing/generated_json_schemas/default_explicit_schema.json
@@ -131,11 +131,23 @@
             "properties": {
                 "time_granularity": {
                     "enum": [
+                        "NANOSECOND",
+                        "MICROSECOND",
+                        "MILLISECOND",
+                        "SECOND",
+                        "MINUTE",
+                        "HOUR",
                         "DAY",
                         "WEEK",
                         "MONTH",
                         "QUARTER",
                         "YEAR",
+                        "nanosecond",
+                        "microsecond",
+                        "millisecond",
+                        "second",
+                        "minute",
+                        "hour",
                         "day",
                         "week",
                         "month",
@@ -677,11 +689,23 @@
                 },
                 "grain": {
                     "enum": [
+                        "NANOSECOND",
+                        "MICROSECOND",
+                        "MILLISECOND",
+                        "SECOND",
+                        "MINUTE",
+                        "HOUR",
                         "DAY",
                         "WEEK",
                         "MONTH",
                         "QUARTER",
                         "YEAR",
+                        "nanosecond",
+                        "microsecond",
+                        "millisecond",
+                        "second",
+                        "minute",
+                        "hour",
                         "day",
                         "week",
                         "month",
diff --git a/dbt_semantic_interfaces/parsing/schemas.py b/dbt_semantic_interfaces/parsing/schemas.py
index dcc0a1cf..78a60f3e 100644
--- a/dbt_semantic_interfaces/parsing/schemas.py
+++ b/dbt_semantic_interfaces/parsing/schemas.py
@@ -34,7 +34,19 @@
 window_aggregation_type_values = ["MIN", "MAX"]
 window_aggregation_type_values += [x.lower() for x in window_aggregation_type_values]
 
-time_granularity_values = ["DAY", "WEEK", "MONTH", "QUARTER", "YEAR"]
+time_granularity_values = [
+    "NANOSECOND",
+    "MICROSECOND",
+    "MILLISECOND",
+    "SECOND",
+    "MINUTE",
+    "HOUR",
+    "DAY",
+    "WEEK",
+    "MONTH",
+    "QUARTER",
+    "YEAR",
+]
 time_granularity_values += [x.lower() for x in time_granularity_values]
 
 dimension_type_values = ["CATEGORICAL", "TIME"]
diff --git a/tests/fixtures/semantic_manifest_yamls/simple_semantic_manifest/semantic_models/id_verifications.yaml b/tests/fixtures/semantic_manifest_yamls/simple_semantic_manifest/semantic_models/id_verifications.yaml
index e6303afe..1fb9b4f5 100644
--- a/tests/fixtures/semantic_manifest_yamls/simple_semantic_manifest/semantic_models/id_verifications.yaml
+++ b/tests/fixtures/semantic_manifest_yamls/simple_semantic_manifest/semantic_models/id_verifications.yaml
@@ -19,7 +19,7 @@ semantic_model:
     - name: ds
       type: time
       type_params:
-        time_granularity: day
+        time_granularity: second
     - name: ds_partitioned
       type: time
       is_partition: true