diff --git a/helm/dagster/schema/schema/charts/dagster/subschema/daemon.py b/helm/dagster/schema/schema/charts/dagster/subschema/daemon.py
index 2806aca74c4ab..38ab5763bf281 100644
--- a/helm/dagster/schema/schema/charts/dagster/subschema/daemon.py
+++ b/helm/dagster/schema/schema/charts/dagster/subschema/daemon.py
@@ -107,5 +107,5 @@ class Daemon(BaseModel, extra="forbid"):
     volumeMounts: Optional[list[kubernetes.VolumeMount]] = None
     volumes: Optional[list[kubernetes.Volume]] = None
     initContainerResources: Optional[kubernetes.Resources] = None
-    extraContainers: Optional[List[kubernetes.Container]] = None
-    extraPrependedInitContainers: Optional[List[kubernetes.InitContainer]] = None
+    extraContainers: Optional[list[kubernetes.Container]] = None
+    extraPrependedInitContainers: Optional[list[kubernetes.InitContainer]] = None
diff --git a/helm/dagster/schema/schema/charts/dagster/subschema/migrate.py b/helm/dagster/schema/schema/charts/dagster/subschema/migrate.py
index e7fae0e178cf6..98bd58d681ccd 100644
--- a/helm/dagster/schema/schema/charts/dagster/subschema/migrate.py
+++ b/helm/dagster/schema/schema/charts/dagster/subschema/migrate.py
@@ -1,4 +1,4 @@
-from typing import List, Optional
+from typing import Optional
 
 from pydantic import BaseModel
 
@@ -7,5 +7,5 @@
 
 class Migrate(BaseModel):
     enabled: bool
-    extraContainers: Optional[List[kubernetes.Container]]
-    initContainers: Optional[List[kubernetes.Container]]
+    extraContainers: Optional[list[kubernetes.Container]]
+    initContainers: Optional[list[kubernetes.Container]]
diff --git a/helm/dagster/schema/schema/charts/dagster/subschema/webserver.py b/helm/dagster/schema/schema/charts/dagster/subschema/webserver.py
index be5853c0fbf71..847f4fadbdd00 100644
--- a/helm/dagster/schema/schema/charts/dagster/subschema/webserver.py
+++ b/helm/dagster/schema/schema/charts/dagster/subschema/webserver.py
@@ -48,5 +48,5 @@ class Webserver(BaseModel, extra="forbid"):
     volumeMounts: Optional[list[kubernetes.VolumeMount]] = None
     volumes: Optional[list[kubernetes.Volume]] = None
     initContainerResources: Optional[kubernetes.Resources] = None
-    extraContainers: Optional[List[kubernetes.Container]] = None
-    extraPrependedInitContainers: Optional[List[kubernetes.InitContainer]] = None
+    extraContainers: Optional[list[kubernetes.Container]] = None
+    extraPrependedInitContainers: Optional[list[kubernetes.InitContainer]] = None