diff --git a/packages/static-wado-creator/lib/index.mjs b/packages/static-wado-creator/lib/index.mjs
index db9dbe4..9c2de11 100644
--- a/packages/static-wado-creator/lib/index.mjs
+++ b/packages/static-wado-creator/lib/index.mjs
@@ -4,7 +4,14 @@ import programIndex from './program/index.js';
 import createMain from './createMain.js';
 import deleteMain from './deleteMain.js';
 import adaptProgramOpts from './util/adaptProgramOpts.js';
-import { uids } from '@radicalimaging/static-wado-util';
+import { createRequire } from 'module';
+
+// static-wado-util is ESM (lib/index.ts), while 23 files in this package reach it through a CJS
+// require(). Importing it here as ESM too pulls it into this module's async graph, and Bun >= 1.3
+// then rejects every one of those requires with "require() async module ... is unsupported". Loading
+// it through createRequire keeps it out of the ESM graph, so the CJS requires resolve synchronously.
+const require = createRequire(import.meta.url);
+const { uids } = require('@radicalimaging/static-wado-util');
 
 const { configureProgram } = programIndex;