diff --git a/src/env.mjs b/src/env.mjs
index f96eb51..2c4f7fb 100644
--- a/src/env.mjs
+++ b/src/env.mjs
@@ -71,6 +71,7 @@ export const env = createEnv({
       process.env.NODE_ENV === "production"
         ? z.string()
         : z.string().optional(),
+    NEXT_PUBLIC_DEPLOYMENT_URL: z.string(),
   },
 
   /**
@@ -96,6 +97,7 @@ export const env = createEnv({
     LEMON_SQUEEZY_STORE_ID: process.env.LEMON_SQUEEZY_STORE_ID,
     LEMON_SQUEEZY_WEBHOOK_SECRET: process.env.LEMON_SQUEEZY_WEBHOOK_SECRET,
     LEMON_SQUEEZY_WEBHOOK_URL: process.env.LEMON_SQUEEZY_WEBHOOK_URL,
+    NEXT_PUBLIC_DEPLOYMENT_URL: process.env.NEXT_PUBLIC_DEPLOYMENT_URL,
   },
   /**
    * Run `build` or `dev` with `SKIP_ENV_VALIDATION` to skip env validation. This is especially