diff --git a/scripts/build_npm.ts b/scripts/build_npm.ts
index ccf35ed..69c7c2f 100644
--- a/scripts/build_npm.ts
+++ b/scripts/build_npm.ts
@@ -17,7 +17,7 @@ await build({
     deno: {
       test: "dev",
     },
-    crypto: true,
+    crypto: false,
     webSocket: true,
   },
   package: {