diff --git a/src/schemas/0.1.ts b/src/schemas/0.1.ts
index 4e2a545..ef54ce3 100644
--- a/src/schemas/0.1.ts
+++ b/src/schemas/0.1.ts
@@ -79,8 +79,8 @@ export const McpbUserConfigValuesSchema = z.record(
 export const McpbManifestSchema = z
   .strictObject({
     $schema: z.string().optional(),
-    dxt_version: z.literal("0.1").optional().describe("@deprecated Use manifest_version instead"),
-    manifest_version: z.literal("0.1").optional(),
+    dxt_version: z.literal(MANIFEST_VERSION).optional().describe("@deprecated Use manifest_version instead"),
+    manifest_version: z.literal(MANIFEST_VERSION).optional(),
     name: z.string(),
     display_name: z.string().optional(),
     version: z.string(),
diff --git a/src/schemas/0.2.ts b/src/schemas/0.2.ts
index 3f41d1d..844efe8 100644
--- a/src/schemas/0.2.ts
+++ b/src/schemas/0.2.ts
@@ -79,8 +79,8 @@ export const McpbUserConfigValuesSchema = z.record(
 export const McpbManifestSchema = z
   .strictObject({
     $schema: z.string().optional(),
-    dxt_version: z.literal("0.2").optional().describe("@deprecated Use manifest_version instead"),
-    manifest_version: z.literal("0.2").optional(),
+    dxt_version: z.literal(MANIFEST_VERSION).optional().describe("@deprecated Use manifest_version instead"),
+    manifest_version: z.literal(MANIFEST_VERSION).optional(),
   name: z.string(),
   display_name: z.string().optional(),
   version: z.string(),
diff --git a/src/schemas_loose/0.1.ts b/src/schemas_loose/0.1.ts
index 64a1dd5..9b37647 100644
--- a/src/schemas_loose/0.1.ts
+++ b/src/schemas_loose/0.1.ts
@@ -1,5 +1,7 @@
 import * as z from "zod";
 
+export const MANIFEST_VERSION = "0.1";
+
 export const McpServerConfigSchema = z.object({
   command: z.string(),
   args: z.array(z.string()).optional(),
@@ -79,8 +81,8 @@ export const McpbUserConfigValuesSchema = z.record(
 export const McpbManifestSchema = z
   .object({
     $schema: z.string().optional(),
-    dxt_version: z.literal("0.1").optional().describe("@deprecated Use manifest_version instead"),
-    manifest_version: z.literal("0.1").optional(),
+    dxt_version: z.literal(MANIFEST_VERSION).optional().describe("@deprecated Use manifest_version instead"),
+    manifest_version: z.literal(MANIFEST_VERSION).optional(),
     name: z.string(),
     display_name: z.string().optional(),
     version: z.string(),
diff --git a/src/schemas_loose/0.2.ts b/src/schemas_loose/0.2.ts
index 7d6834b..062b0e6 100644
--- a/src/schemas_loose/0.2.ts
+++ b/src/schemas_loose/0.2.ts
@@ -1,5 +1,7 @@
 import * as z from "zod";
 
+export const MANIFEST_VERSION = "0.2";
+
 export const McpServerConfigSchema = z.object({
   command: z.string(),
   args: z.array(z.string()).optional(),
@@ -79,8 +81,8 @@ export const McpbUserConfigValuesSchema = z.record(
 export const McpbManifestSchema = z
   .object({
     $schema: z.string().optional(),
-    dxt_version: z.literal("0.2").optional().describe("@deprecated Use manifest_version instead"),
-    manifest_version: z.literal("0.2").optional(),
+    dxt_version: z.literal(MANIFEST_VERSION).optional().describe("@deprecated Use manifest_version instead"),
+    manifest_version: z.literal(MANIFEST_VERSION).optional(),
     name: z.string(),
     display_name: z.string().optional(),
     version: z.string(),