diff --git a/package-lock.json b/package-lock.json
index 22ba5f7..828d070 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -300,9 +300,9 @@
       }
     },
     "bn.js": {
-      "version": "4.11.8",
-      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
-      "integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA=="
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-5.0.0.tgz",
+      "integrity": "sha512-bVwDX8AF+72fIUNuARelKAlQUNtPOfG2fRxorbVvFk4zpHbqLrPdOGfVg5vrKwVzLLePqPBiATaOZNELQzmS0A=="
     },
     "brace-expansion": {
       "version": "1.1.11",
@@ -1489,22 +1489,12 @@
       "dev": true
     },
     "leb128": {
-      "version": "0.0.4",
-      "resolved": "https://registry.npmjs.org/leb128/-/leb128-0.0.4.tgz",
-      "integrity": "sha512-2zejk0fCIgY8RVcc/KzvyfpDio5Oo8HgPZmkrOmdwmbk0KpKpgD+JKwikxKk8cZYkANIhwHK50SNukkCm3XkCQ==",
+      "version": "0.0.5",
+      "resolved": "https://registry.npmjs.org/leb128/-/leb128-0.0.5.tgz",
+      "integrity": "sha512-elbNtfmu3GndZbesVF6+iQAfVjOXW9bM/aax9WwMlABZW+oK9sbAZEXoewaPHmL34sxa8kVwWsru8cNE/yn2gg==",
       "requires": {
-        "bn.js": "^4.11.6",
-        "buffer-pipe": "0.0.0"
-      },
-      "dependencies": {
-        "buffer-pipe": {
-          "version": "0.0.0",
-          "resolved": "https://registry.npmjs.org/buffer-pipe/-/buffer-pipe-0.0.0.tgz",
-          "integrity": "sha512-PvKbsvQOH4dcUyUEvQQSs3CIkkuPcOHt3gKnXwf4HsPKFDxSN7bkmICVIWgOmW/jx/fAEGGn4mIayIJPLs7G8g==",
-          "requires": {
-            "safe-buffer": "^5.1.1"
-          }
-        }
+        "bn.js": "^5.0.0",
+        "buffer-pipe": "0.0.3"
       }
     },
     "levn": {
@@ -1710,6 +1700,7 @@
           "version": "0.1.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "kind-of": "^3.0.2",
             "longest": "^1.0.1",
@@ -2652,7 +2643,8 @@
         "longest": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "lru-cache": {
           "version": "4.1.3",
diff --git a/package.json b/package.json
index bef0ff5..a9ac2a8 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
   "license": "MPL-2.0",
   "dependencies": {
     "buffer-pipe": "0.0.3",
-    "leb128": "0.0.4",
+    "leb128": "0.0.5",
     "safe-buffer": "^5.1.2"
   },
   "bin": {