diff --git a/part 47/package-lock.json b/part 47/package-lock.json
index ec63e42..cb5f7e3 100644
--- a/part 47/package-lock.json	
+++ b/part 47/package-lock.json	
@@ -3313,24 +3313,24 @@
             "dev": true
         },
         "elliptic": {
-            "version": "6.5.3",
-            "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.3.tgz",
-            "integrity": "sha512-IMqzv5wNQf+E6aHeIqATs0tOLeOTwj1QKbRcS3jBbYkl5oLAserA8yJTT7/VyHUYG91PRmPyeQDObKLPpeS4dw==",
+            "version": "6.5.4",
+            "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz",
+            "integrity": "sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==",
             "dev": true,
             "requires": {
-                "bn.js": "^4.4.0",
-                "brorand": "^1.0.1",
+                "bn.js": "^4.11.9",
+                "brorand": "^1.1.0",
                 "hash.js": "^1.0.0",
-                "hmac-drbg": "^1.0.0",
-                "inherits": "^2.0.1",
-                "minimalistic-assert": "^1.0.0",
-                "minimalistic-crypto-utils": "^1.0.0"
+                "hmac-drbg": "^1.0.1",
+                "inherits": "^2.0.4",
+                "minimalistic-assert": "^1.0.1",
+                "minimalistic-crypto-utils": "^1.0.1"
             },
             "dependencies": {
                 "bn.js": {
-                    "version": "4.11.9",
-                    "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.9.tgz",
-                    "integrity": "sha512-E6QoYqCKZfgatHTdHzs1RRKP7ip4vvm+EyRUeE2RF0NblwVvb0p6jSVeNTOFxPn26QXN2o6SMfNxKp6kU8zQaw==",
+                    "version": "4.12.0",
+                    "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
+                    "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==",
                     "dev": true
                 }
             }
@@ -6372,7 +6372,8 @@
             "version": "2.2.2",
             "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.2.2.tgz",
             "integrity": "sha512-q0M/9eZHzmr0AulXyPwNfZjtwZ/RBZlbN3K3CErVrk50T2ASYI7Bye0EvekFY3IP1Nt2DHu0re+V2ZHIpMkuWg==",
-            "dev": true
+            "dev": true,
+            "optional": true
         },
         "pify": {
             "version": "4.0.1",