diff --git a/src/server/index.ts b/src/server/index.ts
index 8bf3e6d..6e80545 100644
--- a/src/server/index.ts
+++ b/src/server/index.ts
@@ -1,7 +1,7 @@
 import { Hono } from "hono";
 
-import { rpcApp } from "./routes/rpc";
-import { clientEntry } from "./routes/client-entry";
+import { rpcApp } from "./routes/rpc.js";
+import { clientEntry } from "./routes/client-entry.js";
 
 const app = new Hono();
 
@@ -19,7 +19,7 @@ app.get("/health", (c) => {
 // Legal config endpoint (temporary fix for RPC issue)
 app.get("/api/legal-config", async (c) => {
   try {
-    const { getLegalConfig } = await import("./lib/legal-config");
+    const { getLegalConfig } = await import("./lib/legal-config.js");
     const config = getLegalConfig();
     return c.json(config);
   } catch (error) {
diff --git a/src/server/routes/rpc.ts b/src/server/routes/rpc.ts
index 080aa1c..55db437 100644
--- a/src/server/routes/rpc.ts
+++ b/src/server/routes/rpc.ts
@@ -1,6 +1,6 @@
 import { RPCHandler } from "@orpc/server/fetch";
 
-import { router } from "../rpc";
+import { router } from "../rpc/index.js";
 import { Hono } from "hono";
 
 export const rpcApp = new Hono();
diff --git a/src/server/rpc/bookings.ts b/src/server/rpc/bookings.ts
index c200e7b..ee241f9 100644
--- a/src/server/rpc/bookings.ts
+++ b/src/server/rpc/bookings.ts
@@ -5,7 +5,7 @@ import { createKV } from "../lib/create-kv";
 import { createKV as createAvailabilityKV } from "../lib/create-kv";
 import { sendEmail, sendEmailWithAGB, sendEmailWithAGBAndCalendar, sendEmailWithInspirationPhoto } from "../lib/email";
 import { renderBookingPendingHTML, renderBookingConfirmedHTML, renderBookingCancelledHTML, renderAdminBookingNotificationHTML } from "../lib/email-templates";
-import { router as rootRouter } from "./index";
+import { router as rootRouter } from "./index.js";
 import { createORPCClient } from "@orpc/client";
 import { RPCLink } from "@orpc/client/fetch";
 import { checkBookingRateLimit, getClientIP } from "../lib/rate-limiter";
diff --git a/src/server/rpc/demo/index.ts b/src/server/rpc/demo/index.ts
index 9242790..daf7b15 100644
--- a/src/server/rpc/demo/index.ts
+++ b/src/server/rpc/demo/index.ts
@@ -1,4 +1,4 @@
-import { router as storageRouter } from "./storage";
+import { router as storageRouter } from "./storage.js";
 
 export const demo = {
   storage: storageRouter,
diff --git a/src/server/rpc/index.ts b/src/server/rpc/index.ts
index e9f8f20..5c569ae 100644
--- a/src/server/rpc/index.ts
+++ b/src/server/rpc/index.ts
@@ -1,10 +1,10 @@
-import { demo } from "./demo";
-import { router as treatments } from "./treatments";
-import { router as bookings } from "./bookings";
-import { router as auth } from "./auth";
-import { router as availability } from "./availability";
-import { router as cancellation } from "./cancellation";
-import { router as legal } from "./legal";
+import { demo } from "./demo/index.js";
+import { router as treatments } from "./treatments.js";
+import { router as bookings } from "./bookings.js";
+import { router as auth } from "./auth.js";
+import { router as availability } from "./availability.js";
+import { router as cancellation } from "./cancellation.js";
+import { router as legal } from "./legal.js";
 
 export const router = {
   demo,