diff --git a/client/src/api/schema/schema.ts b/client/src/api/schema/schema.ts
index fd0b318f8b0b..2720918058d5 100644
--- a/client/src/api/schema/schema.ts
+++ b/client/src/api/schema/schema.ts
@@ -2187,7 +2187,7 @@ export interface components {
              * Quota percent
              * @description Percentage of the storage quota applicable to the user.
              */
-            quota_percent?: unknown;
+            quota_percent?: number | null;
             /**
              * Total disk usage
              * @description Size of all non-purged, unique datasets of the user in bytes.
@@ -4613,12 +4613,12 @@ export interface components {
              * Quota in bytes
              * @description Quota applicable to the user in bytes.
              */
-            quota_bytes: unknown;
+            quota_bytes?: number | null;
             /**
              * Quota percent
              * @description Percentage of the storage quota applicable to the user.
              */
-            quota_percent?: unknown;
+            quota_percent?: number | null;
             /**
              * Tags used
              * @description Tags used by the user
diff --git a/lib/galaxy/schema/schema.py b/lib/galaxy/schema/schema.py
index 3653890f4968..e782cdb82092 100644
--- a/lib/galaxy/schema/schema.py
+++ b/lib/galaxy/schema/schema.py
@@ -362,7 +362,7 @@ class CreatedUserModel(UserModel, DiskUsageUserModel):
 
 
 class AnonUserModel(DiskUsageUserModel):
-    quota_percent: Any = QuotaPercentField
+    quota_percent: Optional[float] = QuotaPercentField
 
 
 class DetailedUserModel(BaseUserModel, AnonUserModel):
@@ -371,7 +371,9 @@ class DetailedUserModel(BaseUserModel, AnonUserModel):
     preferences: Dict[Any, Any] = Field(default=..., title="Preferences", description="Preferences of the user")
     preferred_object_store_id: Optional[str] = PreferredObjectStoreIdField
     quota: str = Field(default=..., title="Quota", description="Quota applicable to the user")
-    quota_bytes: Any = Field(default=..., title="Quota in bytes", description="Quota applicable to the user in bytes.")
+    quota_bytes: Optional[int] = Field(
+        default=None, title="Quota in bytes", description="Quota applicable to the user in bytes."
+    )
     tags_used: List[str] = Field(default=..., title="Tags used", description="Tags used by the user")