diff --git a/src/schemas/0.1.ts b/src/schemas/0.1.ts
index 093a0ed..4e2a545 100644
--- a/src/schemas/0.1.ts
+++ b/src/schemas/0.1.ts
@@ -79,7 +79,7 @@ export const McpbUserConfigValuesSchema = z.record(
 export const McpbManifestSchema = z
   .strictObject({
     $schema: z.string().optional(),
-    dxt_version: z.literal("0.1").optional(),
+    dxt_version: z.literal("0.1").optional().describe("@deprecated Use manifest_version instead"),
     manifest_version: z.literal("0.1").optional(),
     name: z.string(),
     display_name: z.string().optional(),
diff --git a/src/schemas_loose/0.1.ts b/src/schemas_loose/0.1.ts
index 459a1f0..64a1dd5 100644
--- a/src/schemas_loose/0.1.ts
+++ b/src/schemas_loose/0.1.ts
@@ -79,7 +79,7 @@ export const McpbUserConfigValuesSchema = z.record(
 export const McpbManifestSchema = z
   .object({
     $schema: z.string().optional(),
-    dxt_version: z.literal("0.1").optional(),
+    dxt_version: z.literal("0.1").optional().describe("@deprecated Use manifest_version instead"),
     manifest_version: z.literal("0.1").optional(),
     name: z.string(),
     display_name: z.string().optional(),