diff --git a/mod.ts b/mod.ts
index 6bf74e3..1e49eef 100644
--- a/mod.ts
+++ b/mod.ts
@@ -10,7 +10,7 @@
 * 
 */
 
-import * as complex from 'npm:complex';
+import * as complex from 'npm:complex@next';
 
 /**
  *