diff --git a/package.json b/package.json
index f4168d4..2771ae5 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   "type": "module",
   "scripts": {
     "start": "vite",
-    "build": "tsc -p tsconfig.prod.json && vite build",
+    "build": "tsc -p tsconfig.prod.json && vite build && node scripts/write-version.mjs",
     "lint": "eslint src --ext ts,tsx --report-unused-disable-directives --max-warnings 0",
     "format": "prettier -w .",
     "test": "vitest run",
diff --git a/scripts/write-version.mjs b/scripts/write-version.mjs
new file mode 100644
index 0000000..5efa414
--- /dev/null
+++ b/scripts/write-version.mjs
@@ -0,0 +1,11 @@
+/* eslint-env node */
+import { readFileSync, writeFileSync } from 'node:fs';
+import { fileURLToPath } from 'node:url';
+import { dirname } from 'node:path';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = dirname(__filename);
+
+const pkgJson = JSON.parse(readFileSync(__dirname + '/../package.json', 'utf-8'));
+const pkgVer = (pkgJson.version ?? 'unknown') + '\n';
+writeFileSync(__dirname + '/../dist/version.txt', pkgVer, 'utf-8');