diff --git a/packages/cli/package.json b/packages/cli/package.json
index f7e45e2..5d50103 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mosaic/cli",
-  "version": "0.0.9",
+  "version": "0.0.10",
   "type": "module",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
diff --git a/packages/cli/src/cli.ts b/packages/cli/src/cli.ts
index 5639ed1..f7be368 100644
--- a/packages/cli/src/cli.ts
+++ b/packages/cli/src/cli.ts
@@ -2,7 +2,7 @@
 
 import { createRequire } from 'module';
 import { Command } from 'commander';
-import { createQualityRailsCli } from '@mosaic/quality-rails';
+import { registerQualityRails } from '@mosaic/quality-rails';
 import { registerAgentCommand } from './commands/agent.js';
 import { registerMissionCommand } from './commands/mission.js';
 // prdy is registered via launch.ts
@@ -300,11 +300,7 @@ registerMissionCommand(program);
 
 // ─── quality-rails ──────────────────────────────────────────────────────
 
-const qrWrapper = createQualityRailsCli();
-const qrCmd = qrWrapper.commands.find((c) => c.name() === 'quality-rails');
-if (qrCmd !== undefined) {
-  program.addCommand(qrCmd as unknown as Command);
-}
+registerQualityRails(program);
 
 // ─── update ─────────────────────────────────────────────────────────────
 
diff --git a/packages/mosaic/package.json b/packages/mosaic/package.json
index b09d1f5..4553da1 100644
--- a/packages/mosaic/package.json
+++ b/packages/mosaic/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mosaic/mosaic",
-  "version": "0.0.9",
+  "version": "0.0.10",
   "description": "Mosaic agent framework — installation wizard and meta package",
   "type": "module",
   "main": "dist/index.js",
diff --git a/packages/quality-rails/package.json b/packages/quality-rails/package.json
index cd64fe4..e26ff4a 100644
--- a/packages/quality-rails/package.json
+++ b/packages/quality-rails/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mosaic/quality-rails",
-  "version": "0.0.2",
+  "version": "0.0.3",
   "type": "module",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
@@ -17,7 +17,7 @@
     "test": "vitest run --passWithNoTests"
   },
   "dependencies": {
-    "commander": "^12.0.0"
+    "commander": "^13.0.0"
   },
   "devDependencies": {
     "@types/node": "^22.0.0",
diff --git a/packages/quality-rails/src/cli.ts b/packages/quality-rails/src/cli.ts
index 938a963..0c5908f 100644
--- a/packages/quality-rails/src/cli.ts
+++ b/packages/quality-rails/src/cli.ts
@@ -106,12 +106,26 @@ function printScaffoldResult(
   }
 }
 
+/**
+ * Register quality-rails subcommands on an existing Commander program.
+ * This avoids cross-package Commander version mismatches by using the
+ * caller's Command instance directly.
+ */
+export function registerQualityRails(parent: Command): void {
+  buildQualityRailsCommand(
+    parent.command('quality-rails').description('Manage quality rails scaffolding'),
+  );
+}
+
 export function createQualityRailsCli(): Command {
   const program = new Command('mosaic');
-  const qualityRails = program
-    .command('quality-rails')
-    .description('Manage quality rails scaffolding');
+  buildQualityRailsCommand(
+    program.command('quality-rails').description('Manage quality rails scaffolding'),
+  );
+  return program;
+}
 
+function buildQualityRailsCommand(qualityRails: Command): void {
   qualityRails
     .command('init')
     .requiredOption('--project <path>', 'Project path')
@@ -184,8 +198,6 @@ export function createQualityRailsCli(): Command {
         );
       }
     });
-
-  return program;
 }
 
 export async function runQualityRailsCli(argv: string[] = process.argv): Promise<void> {
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index bf7d0b9..2f01cc2 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -541,8 +541,8 @@ importers:
   packages/quality-rails:
     dependencies:
       commander:
-        specifier: ^12.0.0
-        version: 12.1.0
+        specifier: ^13.0.0
+        version: 13.1.0
     devDependencies:
       '@types/node':
         specifier: ^22.0.0