diff --git a/package-lock.json b/package-lock.json
index c43d0a9..57644cf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -852,15 +852,15 @@
     "browserify-sign": {
       "version": "4.0.4",
       "resolved": "https://registry.npmjs.org/browserify-sign/-/browserify-sign-4.0.4.tgz",
-      "integrity": "sha1-qk62jl17ZYuqa/alfmMMvXqT0pg=",
-      "requires": {
-        "bn.js": "4.11.8",
-        "browserify-rsa": "4.0.1",
-        "create-hash": "1.1.3",
-        "create-hmac": "1.1.6",
-        "elliptic": "6.4.0",
-        "inherits": "2.0.3",
-        "parse-asn1": "5.1.0"
+      "integrity": "sha512-D2ItxCwNtLcHRrOCuEDZQlIezlFyUV/N5IYz6TY1svu1noyThFuthoEjzT8ChZe3UEctqnwmykcPhet3Eiz58A==",
+      "requires": {
+        "bn.js": "^4.1.1",
+        "browserify-rsa": "^4.0.0",
+        "create-hash": "^1.1.0",
+        "create-hmac": "^1.1.2",
+        "elliptic": "^6.0.0",
+        "inherits": "^2.0.1",
+        "parse-asn1": "^5.0.0"
       }
     },
     "browserify-zlib": {