diff --git a/experimental/int63/package-lock.json b/experimental/int63/package-lock.json
index d640c86..9ca880a 100644
--- a/experimental/int63/package-lock.json
+++ b/experimental/int63/package-lock.json
@@ -1,50 +1,56 @@
 {
   "name": "int62",
   "version": "1.0.0",
-  "lockfileVersion": 1,
+  "lockfileVersion": 3,
   "requires": true,
-  "dependencies": {
-    "@types/benchmark": {
+  "packages": {
+    "": {
+      "dependencies": {
+        "hotloop": "^1.1.0"
+      }
+    },
+    "node_modules/@types/benchmark": {
       "version": "1.0.33",
       "resolved": "https://registry.npmjs.org/@types/benchmark/-/benchmark-1.0.33.tgz",
       "integrity": "sha512-rG7Ieasa9UfZJnL72qiFvY9ivhEIYjCGgfcLLb5tJ/EL9+Mcxernj6W3HVCv/cOfJYuwNUwvVVhnrKl8iT8aqA=="
     },
-    "@types/minimist": {
+    "node_modules/@types/minimist": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/@types/minimist/-/minimist-1.2.0.tgz",
       "integrity": "sha1-aaI6OtKcrwCX8G7aWbNh7i8GOfY="
     },
-    "benchmark": {
+    "node_modules/benchmark": {
       "version": "2.1.4",
       "resolved": "https://registry.npmjs.org/benchmark/-/benchmark-2.1.4.tgz",
       "integrity": "sha1-CfPeMckWQl1JjMLuVloOvzwqVik=",
-      "requires": {
+      "dependencies": {
         "lodash": "^4.17.4",
         "platform": "^1.3.3"
       }
     },
-    "hotloop": {
+    "node_modules/hotloop": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/hotloop/-/hotloop-1.1.0.tgz",
       "integrity": "sha512-vJ8qU6KJyE6hDCodoQerFIMfSDYGDbVw2NN82gf6cGvr53SN6kAsdYSFZm4q/5wd0lRy9pBN24Cbep00AY5v0A==",
-      "requires": {
+      "dependencies": {
         "@types/benchmark": "^1.0.31",
         "@types/minimist": "^1.2.0",
         "benchmark": "^2.1.4",
         "minimist": "^1.2.5"
       }
     },
-    "lodash": {
-      "version": "4.17.20",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.20.tgz",
-      "integrity": "sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA=="
+    "node_modules/lodash": {
+      "version": "4.18.1",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.18.1.tgz",
+      "integrity": "sha512-dMInicTPVE8d1e5otfwmmjlxkZoUpiVLwyeTdUsi/Caj/gfzzblBcCE5sRHV/AsjuCmxWrte2TNGSYuCeCq+0Q==",
+      "license": "MIT"
     },
-    "minimist": {
+    "node_modules/minimist": {
       "version": "1.2.5",
       "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
       "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw=="
     },
-    "platform": {
+    "node_modules/platform": {
       "version": "1.3.6",
       "resolved": "https://registry.npmjs.org/platform/-/platform-1.3.6.tgz",
       "integrity": "sha512-fnWVljUchTro6RiCFvCXBbNhJc2NijN7oIQxbwsyL0buWJPG85v81ehlHI9fXrJsMNgTofEoWIQeClKpgxFLrg=="