diff --git a/package-lock.json b/package-lock.json
index f6000bc..894ca15 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -191,9 +191,9 @@
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-      "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=="
     },
     "boom": {
       "version": "4.3.1",
@@ -221,11 +221,18 @@
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     },
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-      "version": "0.0.2",
-      "resolved": "https://registry.npmjs.org/buffer-pipe/-/buffer-pipe-0.0.2.tgz",
-      "integrity": "sha512-YlqzbWVqMv+xEeRyg0OXAJym3zAFTAIuku9l7okwxOXNDxbmSlL5o3QaF5k6IQ2iHO9o1OCo6tT4UkrQkI5VbQ==",
+      "version": "0.0.3",
+      "resolved": "https://registry.npmjs.org/buffer-pipe/-/buffer-pipe-0.0.3.tgz",
+      "integrity": "sha512-GlxfuD/NrKvCNs0Ut+7b1IHjylfdegMBxQIlZHj7bObKVQBxB5S84gtm2yu1mQ8/sSggceWBDPY0cPXgvX2MuA==",
       "requires": {
-        "safe-buffer": "5.1.1"
+        "safe-buffer": "^5.1.2"
+      },
+      "dependencies": {
+        "safe-buffer": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.0.tgz",
+          "integrity": "sha512-fZEwUGbVl7kouZs1jCdMLdt95hdIv0ZeHg6L7qPeciMZhZ+/gdesW4wgTARkrFWEpspjEATAzUGPG8N2jJiwbg=="
+        }
       }
     },
     "builtin-modules": {
@@ -1459,22 +1466,12 @@
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-      "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==",
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-          "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": {
@@ -1680,6 +1677,7 @@
           "version": "0.1.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "kind-of": "3.2.2",
             "longest": "1.0.1",
@@ -2839,7 +2837,8 @@
         "longest": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "loose-envify": {
           "version": "1.3.1",
@@ -5240,14 +5239,48 @@
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     "wasm-json-toolkit": {
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-      "resolved": "https://registry.npmjs.org/wasm-json-toolkit/-/wasm-json-toolkit-0.2.3.tgz",
-      "integrity": "sha512-W0pESOST9hHFEmHq9kzMxAEhcPYuASdYCDw4FavKSyQKh3uOmH2slRXR/MhTKJY+gp1AauUDNd9DeE0cS4bV4A==",
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/wasm-json-toolkit/-/wasm-json-toolkit-0.3.0.tgz",
+      "integrity": "sha512-tNI/urudF0NswGK/5pLw5dOyZttuoKIX5zd3/2KvMjAjsJvPjBFF/kLt7ebOlNHJxplxuhBgxESjgo7slP0mDg==",
       "requires": {
-        "bn.js": "4.11.8",
+        "bn.js": "^4.11.8",
         "buffer-pipe": "0.0.2",
         "leb128": "0.0.4",
-        "safe-buffer": "5.1.1"
+        "safe-buffer": "^5.1.1"
+      },
+      "dependencies": {
+        "bn.js": {
+          "version": "4.11.8",
+          "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
+          "integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA=="
+        },
+        "buffer-pipe": {
+          "version": "0.0.2",
+          "resolved": "https://registry.npmjs.org/buffer-pipe/-/buffer-pipe-0.0.2.tgz",
+          "integrity": "sha512-YlqzbWVqMv+xEeRyg0OXAJym3zAFTAIuku9l7okwxOXNDxbmSlL5o3QaF5k6IQ2iHO9o1OCo6tT4UkrQkI5VbQ==",
+          "requires": {
+            "safe-buffer": "^5.1.1"
+          }
+        },
+        "leb128": {
+          "version": "0.0.4",
+          "resolved": "https://registry.npmjs.org/leb128/-/leb128-0.0.4.tgz",
+          "integrity": "sha512-2zejk0fCIgY8RVcc/KzvyfpDio5Oo8HgPZmkrOmdwmbk0KpKpgD+JKwikxKk8cZYkANIhwHK50SNukkCm3XkCQ==",
+          "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"
+              }
+            }
+          }
+        }
       }
     },
     "whatwg-fetch": {
diff --git a/package.json b/package.json
index c74154b..b1936e1 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
   ],
   "license": "MPL-2.0",
   "dependencies": {
-    "leb128": "^0.0.4",
+    "leb128": "^0.0.5",
     "wasm-json-toolkit": "0.3.0"
   },
   "devDependencies": {