diff --git a/DEPLOYMENT.md b/DEPLOYMENT.md
index dfdc0c3..5fb0d1d 100644
--- a/DEPLOYMENT.md
+++ b/DEPLOYMENT.md
@@ -186,7 +186,7 @@ restored on start. Players reconnect by themselves within a few seconds.
 | `EACCES` during `npm ci`, build, or at start-up | Folder not owned by your user. Re-run the `chown` in step 2. |
 | `EADDRINUSE` in `pm2 logs` | Port 3010 is taken. Change `PORT` in `ecosystem.config.cjs` and `localPort` in frpc, then `pm2 restart two-keys --update-env` and restart frpc. |
 | Local `curl` works, domain gives frp's "page not found" | `customDomains` doesn't match the host name exactly, frpc wasn't restarted, or the front proxy rewrites `Host`. |
-| Site loads but "Can't reach the server" toasts, or games feel laggy | Websocket upgrade headers missing on the central server's HTTPS proxy. |
+| Site loads but games feel laggy, or `/socket.io` requests with `transport=websocket` fail in the browser's network tab | Websocket upgrade headers missing on the central server's HTTPS proxy. The game still works over polling. |
 | Site loads but no games listed | `npm run build` or `validate-content` failed. Check `pm2 logs two-keys`. |
 
 Do not run more than one instance (no pm2 cluster mode, no second copy behind a load balancer):
diff --git a/client/package.json b/client/package.json
index f5c9206..c58469e 100644
--- a/client/package.json
+++ b/client/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@two-keys/client",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "private": true,
   "type": "module",
   "scripts": {
diff --git a/client/src/lib/socket.ts b/client/src/lib/socket.ts
index 8a07579..f145be0 100644
--- a/client/src/lib/socket.ts
+++ b/client/src/lib/socket.ts
@@ -2,7 +2,9 @@ import { io } from 'socket.io-client';
 import type { JoinAck } from '@two-keys/shared';
 import { pushToast } from './toasts';
 
-export const socket = io({ transports: ['websocket', 'polling'] });
+// Polling first, then upgrade: a websocket-first client never falls back, so a proxy that
+// drops the Upgrade header would leave it unable to connect at all.
+export const socket = io();
 
 socket.on('toast', ({ message }: { message: string }) => pushToast(message));
 socket.on('error', ({ message }: { message: string }) => pushToast(message, 'error'));
diff --git a/package-lock.json b/package-lock.json
index 52c4efe..2e045da 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "two-keys",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "two-keys",
-      "version": "1.0.0",
+      "version": "1.0.1",
       "workspaces": [
         "shared",
         "server",
@@ -23,7 +23,7 @@
     },
     "client": {
       "name": "@two-keys/client",
-      "version": "1.0.0",
+      "version": "1.0.1",
       "dependencies": {
         "@two-keys/shared": "*",
         "framer-motion": "^11.11.0",
@@ -6847,7 +6847,7 @@
     },
     "server": {
       "name": "@two-keys/server",
-      "version": "1.0.0",
+      "version": "1.0.1",
       "dependencies": {
         "@two-keys/shared": "*",
         "express": "^4.21.0",
@@ -7332,7 +7332,7 @@
     },
     "shared": {
       "name": "@two-keys/shared",
-      "version": "1.0.0",
+      "version": "1.0.1",
       "devDependencies": {
         "vitest": "^2.1.0"
       }
diff --git a/package.json b/package.json
index 569836e..2f4ac3b 100644
--- a/package.json
+++ b/package.json
@@ -1,10 +1,16 @@
 {
   "name": "two-keys",
   "private": true,
-  "version": "1.0.0",
+  "version": "1.0.1",
   "description": "Co-op mystery games for couples",
-  "workspaces": ["shared", "server", "client"],
-  "engines": { "node": ">=20" },
+  "workspaces": [
+    "shared",
+    "server",
+    "client"
+  ],
+  "engines": {
+    "node": ">=20"
+  },
   "scripts": {
     "dev": "npm run validate-content && concurrently -n server,client \"npm -w server run dev\" \"npm -w client run dev\"",
     "build": "npm -w shared run build && npm -w client run build && npm -w server run build",
diff --git a/server/package.json b/server/package.json
index 9b81b1f..6d13bcb 100644
--- a/server/package.json
+++ b/server/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@two-keys/server",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "private": true,
   "type": "module",
   "scripts": {
diff --git a/shared/package.json b/shared/package.json
index 336e334..2aea310 100644
--- a/shared/package.json
+++ b/shared/package.json
@@ -1,11 +1,13 @@
 {
   "name": "@two-keys/shared",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "private": true,
   "type": "module",
   "main": "./src/index.ts",
   "types": "./src/index.ts",
-  "exports": { ".": "./src/index.ts" },
+  "exports": {
+    ".": "./src/index.ts"
+  },
   "scripts": {
     "build": "tsc --noEmit -p tsconfig.json",
     "test": "vitest run"