diff --git a/package-lock.json b/package-lock.json
index aa32413..c425ef3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1391,12 +1391,20 @@
       }
     },
     "erlpack": {
-      "version": "0.1.3",
-      "resolved": "github:hammerandchisel/erlpack#ff0139045ca4cc457462e5a1a88f6a0bc5c27c4b",
+      "version": "github:hammerandchisel/erlpack#3b793a333dd3f6a140b9168ea91e9fa9660753ce",
+      "from": "github:hammerandchisel/erlpack",
       "optional": true,
       "requires": {
         "bindings": "^1.5.0",
-        "nan": "^2.14.0"
+        "nan": "^2.15.0"
+      },
+      "dependencies": {
+        "nan": {
+          "version": "2.15.0",
+          "resolved": "https://registry.npmjs.org/nan/-/nan-2.15.0.tgz",
+          "integrity": "sha512-8ZtvEnA2c5aYCZYd1cvgdnU6cqwixRoYg70xPLWUws5ORTa/lnw+u4amixRS/Ac5U5mQVgp9pnlSUnbNWFaWZQ==",
+          "optional": true
+        }
       }
     },
     "error-ex": {
@@ -4203,6 +4211,7 @@
       "version": "2.14.0",
       "resolved": "https://registry.npmjs.org/nan/-/nan-2.14.0.tgz",
       "integrity": "sha512-INOFj37C7k3AfaNTtX8RhsTw7qRy7eLET14cROi9+5HAVbbHuIWUHEauBv5qT4Av2tWasiTY1Jw6puUNqRJXQg==",
+      "dev": true,
       "optional": true
     },
     "nanomatch": {
@@ -6118,13 +6127,10 @@
       "dev": true
     },
     "undefsafe": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/undefsafe/-/undefsafe-2.0.2.tgz",
-      "integrity": "sha1-Il9rngM3Zj4Njnz9aG/Cg2zKznY=",
-      "dev": true,
-      "requires": {
-        "debug": "^2.2.0"
-      }
+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/undefsafe/-/undefsafe-2.0.5.tgz",
+      "integrity": "sha512-WxONCrssBM8TSPRqN5EmsjVrsv4A8X12J4ArBiiayv3DyyG3ZlIg6yysuuSYdZsVz3TKcTg2fd//Ujd4CHV1iA==",
+      "dev": true
     },
     "undertaker": {
       "version": "1.2.1",