diff --git a/.vscode/launch.json b/.vscode/launch.json
index 09ccbd596..df6fbc3c6 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -11,7 +11,7 @@
             "skipFiles": ["<node_internals>/**"],
             "type": "node",
             "args": ["generate"],
-            "cwd": "${workspaceFolder}/samples/blog"
+            "cwd": "${workspaceFolder}/samples/orm"
         },
         {
             "name": "Debug with TSX",
diff --git a/packages/cli/src/actions/action-utils.ts b/packages/cli/src/actions/action-utils.ts
index d2e0ca2e9..5c6962ee7 100644
--- a/packages/cli/src/actions/action-utils.ts
+++ b/packages/cli/src/actions/action-utils.ts
@@ -3,6 +3,7 @@ import { isDataSource } from '@zenstackhq/language/ast';
 import { PrismaSchemaGenerator } from '@zenstackhq/sdk';
 import colors from 'colors';
 import fs from 'node:fs';
+import { createRequire } from 'node:module';
 import path from 'node:path';
 import { CliError } from '../cli-error';
 
@@ -125,10 +126,10 @@ function findUp<Multiple extends boolean = false>(
     }
     const target = names.find((name) => fs.existsSync(path.join(cwd, name)));
     if (multiple === false && target) {
-        return path.join(cwd, target) as FindUpResult<Multiple>;
+        return path.resolve(cwd, target) as FindUpResult<Multiple>;
     }
     if (target) {
-        result.push(path.join(cwd, target));
+        result.push(path.resolve(cwd, target));
     }
     const up = path.resolve(cwd, '..');
     if (up === cwd) {
@@ -156,3 +157,45 @@ export function getOutputPath(options: { output?: string }, schemaFile: string)
         return path.dirname(schemaFile);
     }
 }
+export async function getZenStackPackages(
+    searchPath: string,
+): Promise<Array<{ pkg: string; version: string | undefined }>> {
+    const pkgJsonFile = findUp(['package.json'], searchPath, false);
+    if (!pkgJsonFile) {
+        return [];
+    }
+
+    let pkgJson: {
+        dependencies?: Record<string, unknown>;
+        devDependencies?: Record<string, unknown>;
+    };
+    try {
+        pkgJson = JSON.parse(fs.readFileSync(pkgJsonFile, 'utf8'));
+    } catch {
+        return [];
+    }
+
+    const packages = Array.from(
+        new Set(
+            [...Object.keys(pkgJson.dependencies ?? {}), ...Object.keys(pkgJson.devDependencies ?? {})].filter((p) =>
+                p.startsWith('@zenstackhq/'),
+            ),
+        ),
+    ).sort();
+
+    const require = createRequire(pkgJsonFile);
+
+    const result = packages.map((pkg) => {
+        try {
+            const depPkgJson = require(`${pkg}/package.json`);
+            if (depPkgJson.private) {
+                return undefined;
+            }
+            return { pkg, version: depPkgJson.version as string };
+        } catch {
+            return { pkg, version: undefined };
+        }
+    });
+
+    return result.filter((p) => !!p);
+}
diff --git a/packages/cli/src/actions/generate.ts b/packages/cli/src/actions/generate.ts
index 7ac6db6b2..c014c02ef 100644
--- a/packages/cli/src/actions/generate.ts
+++ b/packages/cli/src/actions/generate.ts
@@ -12,7 +12,8 @@ import { watch } from 'chokidar';
 import ora, { type Ora } from 'ora';
 import { CliError } from '../cli-error';
 import * as corePlugins from '../plugins';
-import { getOutputPath, getSchemaFile, loadSchemaDocument } from './action-utils';
+import { getOutputPath, getSchemaFile, getZenStackPackages, loadSchemaDocument } from './action-utils';
+import semver from 'semver';
 
 type Options = {
     schema?: string;
@@ -27,6 +28,11 @@ type Options = {
  * CLI action for generating code from schema
  */
 export async function run(options: Options) {
+    try {
+        await checkForMismatchedPackages(process.cwd());
+    } catch (err) {
+        console.warn(colors.yellow(`Failed to check for mismatched ZenStack packages: ${err}`));
+    }
     const model = await pureGenerate(options, false);
 
     if (options.watch) {
@@ -315,3 +321,40 @@ async function loadPluginModule(provider: string, basePath: string) {
         return undefined;
     }
 }
+
+async function checkForMismatchedPackages(projectPath: string) {
+    const packages = await getZenStackPackages(projectPath);
+    if (!packages.length) {
+        return false;
+    }
+
+    const versions = new Set<string>();
+    for (const { version } of packages) {
+        if (version) {
+            versions.add(version);
+        }
+    }
+
+    if (versions.size > 1) {
+        const message =
+            'WARNING: Multiple versions of ZenStack packages detected.\n\tThis will probably cause issues and break your types.';
+        const slashes = '/'.repeat(73);
+        const latestVersion = semver.sort(Array.from(versions)).reverse()[0]!;
+
+        console.warn(colors.yellow(`${slashes}\n\n\t${message}\n`));
+        for (const { pkg, version } of packages) {
+            if (!version) continue;
+
+            if (version === latestVersion) {
+                console.log(`\t${pkg.padEnd(32)}\t${colors.green(version)}`);
+            } else {
+                console.log(`\t${pkg.padEnd(32)}\t${colors.yellow(version)}`);
+            }
+        }
+        console.warn(`\n${colors.yellow(slashes)}`);
+
+        return true;
+    }
+
+    return false;
+}
diff --git a/packages/cli/src/actions/info.ts b/packages/cli/src/actions/info.ts
index bbea51ebb..26e42422f 100644
--- a/packages/cli/src/actions/info.ts
+++ b/packages/cli/src/actions/info.ts
@@ -1,12 +1,12 @@
 import colors from 'colors';
-import path from 'node:path';
+import { getZenStackPackages } from './action-utils';
 
 /**
  * CLI action for getting information about installed ZenStack packages
  */
 export async function run(projectPath: string) {
     const packages = await getZenStackPackages(projectPath);
-    if (!packages) {
+    if (!packages.length) {
         console.error('Unable to locate package.json. Are you in a valid project directory?');
         return;
     }
@@ -24,48 +24,3 @@ export async function run(projectPath: string) {
         console.warn(colors.yellow('WARNING: Multiple versions of Zenstack packages detected. This may cause issues.'));
     }
 }
-
-async function getZenStackPackages(projectPath: string): Promise<Array<{ pkg: string; version: string | undefined }>> {
-    let pkgJson: {
-        dependencies: Record<string, unknown>;
-        devDependencies: Record<string, unknown>;
-    };
-    const resolvedPath = path.resolve(projectPath);
-    try {
-        pkgJson = (
-            await import(path.join(resolvedPath, 'package.json'), {
-                with: { type: 'json' },
-            })
-        ).default;
-    } catch {
-        return [];
-    }
-
-    const packages = Array.from(
-        new Set(
-            [...Object.keys(pkgJson.dependencies ?? {}), ...Object.keys(pkgJson.devDependencies ?? {})].filter(
-                (p) => p.startsWith('@zenstackhq/') || p === 'zenstack',
-            ),
-        ),
-    ).sort();
-
-    const result = await Promise.all(
-        packages.map(async (pkg) => {
-            try {
-                const depPkgJson = (
-                    await import(`${pkg}/package.json`, {
-                        with: { type: 'json' },
-                    })
-                ).default;
-                if (depPkgJson.private) {
-                    return undefined;
-                }
-                return { pkg, version: depPkgJson.version as string };
-            } catch {
-                return { pkg, version: undefined };
-            }
-        }),
-    );
-
-    return result.filter((p) => !!p);
-}