diff --git a/.env.example b/.env.example
index 787a424..b8f9acc 100644
--- a/.env.example
+++ b/.env.example
@@ -1,2 +1,5 @@
+NEXT_PUBLIC_SUPABASE_ANON_KEY=
 NEXT_PUBLIC_SUPABASE_URL=
-NEXT_PUBLIC_SUPABASE_ANON_KEY=
\ No newline at end of file
+
+SUPABASE_SERVICE_ROLE_KEY=
+SUPABASE_URL=
diff --git a/env.mjs b/env.mjs
index 32ea9a1..4627e82 100644
--- a/env.mjs
+++ b/env.mjs
@@ -16,11 +16,10 @@ const getGitSha = () => {
 
 const envSchema = z.object({
   GIT_SHA: z.string().min(1).default(getGitSha()),
-  NEXT_PUBLIC_SUPABASE_ANON_KEY: z.string(),
-  NEXT_PUBLIC_SUPABASE_URL: z.string(),
-  // We don't have these configurations yet.
-  SUPABASE_SERVICE_ROLE_KEY: z.string().default(''),
-  SUPABASE_URL: z.string().default(''),
+  NEXT_PUBLIC_SUPABASE_ANON_KEY: z.string().min(1),
+  NEXT_PUBLIC_SUPABASE_URL: z.string().min(1),
+  SUPABASE_SERVICE_ROLE_KEY: z.string().min(1),
+  SUPABASE_URL: z.string().min(1),
 });
 
 const envValidation = envSchema.safeParse(process.env);