diff --git a/.changes/unreleased/Fixes-20240714-100254.yaml b/.changes/unreleased/Fixes-20240714-100254.yaml
new file mode 100644
index 00000000000..442abc03498
--- /dev/null
+++ b/.changes/unreleased/Fixes-20240714-100254.yaml
@@ -0,0 +1,6 @@
+kind: Fixes
+body: Fix typing for artifact schemas
+time: 2024-07-14T10:02:54.452099+09:00
+custom:
+    Author: nakamichiworks
+    Issue: "10442"
diff --git a/core/dbt/artifacts/schemas/base.py b/core/dbt/artifacts/schemas/base.py
index c807257a24b..6cca031603e 100644
--- a/core/dbt/artifacts/schemas/base.py
+++ b/core/dbt/artifacts/schemas/base.py
@@ -77,8 +77,11 @@ def __post_serialize__(self, dct: Dict, context: Optional[Dict] = None):
 #   remote-compile-result
 #   remote-execution-result
 #   remote-run-result
+S = TypeVar("S", bound="VersionedSchema")
+
+
 def schema_version(name: str, version: int):
-    def inner(cls: Type[VersionedSchema]):
+    def inner(cls: Type[S]):
         cls.dbt_schema_version = SchemaVersion(
             name=name,
             version=version,