diff --git a/packages/website/.gitignore b/packages/website/.gitignore
index b2d6de30..749e1b67 100644
--- a/packages/website/.gitignore
+++ b/packages/website/.gitignore
@@ -18,3 +18,4 @@
 npm-debug.log*
 yarn-debug.log*
 yarn-error.log*
+date.js
diff --git a/packages/website/docusaurus.config.js b/packages/website/docusaurus.config.js
index 5dbb21d9..96f76136 100644
--- a/packages/website/docusaurus.config.js
+++ b/packages/website/docusaurus.config.js
@@ -7,6 +7,7 @@ const lightCodeTheme = require("prism-react-renderer/themes/github");
 const darkCodeTheme = require("prism-react-renderer/themes/dracula");
 const langPackageJson = require("../squiggle-lang/package.json");
 const componentsPackageJson = require("../components/package.json");
+const date = require("./date");
 
 /** @type {import('@docusaurus/types').Config} */
 const config = {
@@ -116,7 +117,7 @@ const config = {
           width: 150,
           height: 150,
         },
-        copyright: `Rescript language package v${langPackageJson.version} | React components package v${componentsPackageJson.version}`,
+        copyright: `Rescript language package v${langPackageJson.version} | React components package v${componentsPackageJson.version} | Built at ${date}`,
       },
       prism: {
         theme: lightCodeTheme,
diff --git a/packages/website/package.json b/packages/website/package.json
index 9f21ad98..d2f1e93c 100644
--- a/packages/website/package.json
+++ b/packages/website/package.json
@@ -5,7 +5,7 @@
   "license": "MIT",
   "scripts": {
     "start": "docusaurus start",
-    "build": "docusaurus build",
+    "build": "(echo \"module.exports = '$(date)'\" > date.js) && docusaurus build",
     "clean": "docusaurus clear",
     "all": "yarn build",
     "lint": "prettier --check .",