diff --git a/rollup.config.js b/rollup.config.js
index e758a73..cdf9f1c 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -1,7 +1,11 @@
 import inject from '@rollup/plugin-inject';
+import replace from '@rollup/plugin-replace';
 import typescript from 'rollup-plugin-typescript2';
+import { readFile } from 'node:fs/promises';
 import { fileURLToPath } from 'node:url';
 
+const pkg = JSON.parse(await readFile('package.json'));
+
 const commonPlugins = () => [
 	typescript(),
 	inject(
@@ -14,7 +18,11 @@ const commonPlugins = () => [
 			)
 		)
 	),
-
+	replace({
+		'self.BARE_MUX_VERSION': JSON.stringify(
+		  pkg.version
+		),
+	  }),
 ];
 
 const configs = [
diff --git a/src/index.ts b/src/index.ts
index ca2466f..84def16 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -8,3 +8,6 @@ export type * from './baretypes';
 export type * from './client';
 export type * from './connection';
 export type * from "./snapshot";
+
+//@ts-expect-error this gets filled in
+console.debug("bare mux version: " + self.BARE_MUX_VERSION);
\ No newline at end of file