diff --git a/scripts/build.css.cjs b/scripts/build.css.cjs
index 8dfc677..e50b393 100644
--- a/scripts/build.css.cjs
+++ b/scripts/build.css.cjs
@@ -1,5 +1,5 @@
 const { buildSync } = require('esbuild');
-const pkg = require('psychojs/package');
+const pkg = require('psychojs/package.json');
 
 const versionMaybe = process.env.npm_config_outver;
 const dirMaybe = process.env.npm_config_outdir;