diff --git a/drizzle.config.ts b/drizzle.config.ts
index 6aacd9d..bbb8f01 100644
--- a/drizzle.config.ts
+++ b/drizzle.config.ts
@@ -1,4 +1,5 @@
 import { defineConfig } from 'drizzle-kit';
+import '@/lib/env-config';
 
 const DATABASE_URL = process.env.POSTGRES_URL;
 if (!DATABASE_URL) {
diff --git a/lib/auth/cookies.ts b/lib/auth/cookies.ts
index ccd57a6..71ddbd6 100644
--- a/lib/auth/cookies.ts
+++ b/lib/auth/cookies.ts
@@ -1,4 +1,5 @@
 import { cookies } from 'next/headers';
+import '@/lib/env-config';
 
 const TOKEN_COOKIE_NAME = 'habit-tracker-token';
 const TOKEN_COOKIE_OPTIONS = {
diff --git a/lib/db/index.ts b/lib/db/index.ts
index 44b5c3b..bfdeab1 100644
--- a/lib/db/index.ts
+++ b/lib/db/index.ts
@@ -1,5 +1,6 @@
 import { drizzle } from 'drizzle-orm/node-postgres';
 import * as schema from './schema';
+import '@/lib/env-config';
 
 const DATABASE_URL = process.env.POSTGRES_URL;
 if (!DATABASE_URL) {
diff --git a/lib/env-config.ts b/lib/env-config.ts
new file mode 100644
index 0000000..d28d76e
--- /dev/null
+++ b/lib/env-config.ts
@@ -0,0 +1,4 @@
+import { loadEnvConfig } from '@next/env';
+
+const projectDir = process.cwd();
+loadEnvConfig(projectDir);
diff --git a/package.json b/package.json
index 8280ad5..5eea6cf 100644
--- a/package.json
+++ b/package.json
@@ -16,6 +16,7 @@
     "format:write": "prettier --write \"**/*.{ts,tsx,js,jsx,mdx}\" --cache"
   },
   "dependencies": {
+    "@next/env": "^16.0.3",
     "@radix-ui/react-dialog": "^1.1.15",
     "@radix-ui/react-label": "^2.1.8",
     "@radix-ui/react-select": "^2.2.6",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index f1a58aa..d6003f0 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -12,6 +12,9 @@ importers:
 
   .:
     dependencies:
+      '@next/env':
+        specifier: ^16.0.3
+        version: 16.0.3
       '@radix-ui/react-dialog':
         specifier: ^1.1.15
         version: 1.1.15(@types/react-dom@19.2.3(@types/react@19.2.5))(@types/react@19.2.5)(react-dom@19.2.0(react@19.2.0))(react@19.2.0)