diff --git a/package-lock.json b/package-lock.json
index 91128d7..9fa454d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "jsmodbus",
-  "version": "4.0.4",
+  "version": "4.0.5",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -389,9 +389,9 @@
       }
     },
     "bl": {
-      "version": "1.2.2",
-      "resolved": "https://registry.npmjs.org/bl/-/bl-1.2.2.tgz",
-      "integrity": "sha512-e8tQYnZodmebYDWGH7KMRvtzKXaJHx3BbilrgZCfvyLUYdKpK1t5PSPmpkny/SgiTSCnjfLW7v5rlONXVFkQEA==",
+      "version": "1.2.3",
+      "resolved": "https://registry.npmjs.org/bl/-/bl-1.2.3.tgz",
+      "integrity": "sha512-pvcNpa0UU69UT341rO6AYy4FVAIkUHuZXRIWbq+zHnsVcRzDDjIAhGuuYoi0d//cwIwtt4pkpKycWEfjdV+vww==",
       "dev": true,
       "requires": {
         "readable-stream": "^2.3.5",