diff --git a/package-lock.json b/package-lock.json
index 22a6995..0499669 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -39,9 +39,9 @@
       }
     },
     "bl": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npm.taobao.org/bl/download/bl-2.2.0.tgz?cache=0&sync_timestamp=1584503211561&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fbl%2Fdownload%2Fbl-2.2.0.tgz",
-      "integrity": "sha1-4aV0zfUo5AUwGbuACwQcCsiNpJM=",
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/bl/-/bl-2.2.1.tgz",
+      "integrity": "sha512-6Pesp1w0DEX1N550i/uGV/TqucVL4AM/pgThFSN/Qq9si1/DF9aIHs1BxD8V/QU0HoeHO6cQRTAuYnLPKq1e4g==",
       "requires": {
         "readable-stream": "^2.3.5",
         "safe-buffer": "^5.1.1"