diff --git a/react_curriculum/18_bench_bnb_part_ii/bench_bnb/package-lock.json b/react_curriculum/18_bench_bnb_part_ii/bench_bnb/package-lock.json
index e3d86b61..963d582a 100644
--- a/react_curriculum/18_bench_bnb_part_ii/bench_bnb/package-lock.json
+++ b/react_curriculum/18_bench_bnb_part_ii/bench_bnb/package-lock.json
@@ -1507,9 +1507,10 @@
       }
     },
     "node_modules/asn1.js/node_modules/bn.js": {
-      "version": "4.11.9",
-      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.9.tgz",
-      "integrity": "sha512-E6QoYqCKZfgatHTdHzs1RRKP7ip4vvm+EyRUeE2RF0NblwVvb0p6jSVeNTOFxPn26QXN2o6SMfNxKp6kU8zQaw=="
+      "version": "4.12.3",
+      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.3.tgz",
+      "integrity": "sha512-fGTi3gxV/23FTYdAoUtLYp6qySe2KE3teyZitipKNRuVYcBkoP/bB3guXN/XVKUe9mxCHXnc9C4ocyz8OmgN0g==",
+      "license": "MIT"
     },
     "node_modules/assert": {
       "version": "1.5.0",
@@ -1701,9 +1702,10 @@
       "integrity": "sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg=="
     },
     "node_modules/bn.js": {
-      "version": "5.1.2",
-      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-5.1.2.tgz",
-      "integrity": "sha512-40rZaf3bUNKTVYu9sIeeEGOg7g14Yvnj9kH7b50EiwX0Q7A6umbvfI5tvHaOERH0XigqKkfLkFQxzb4e6CIXnA=="
+      "version": "5.2.3",
+      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-5.2.3.tgz",
+      "integrity": "sha512-EAcmnPkxpntVL+DS7bO1zhcZNvCkxqtkd0ZY53h06GNQ3DEkkGZ/gKgmDv6DdZQGj9BgfSPKtJJ7Dp1GPP8f7w==",
+      "license": "MIT"
     },
     "node_modules/brace-expansion": {
       "version": "1.1.12",
@@ -1795,9 +1797,10 @@
       }
     },
     "node_modules/browserify-rsa/node_modules/bn.js": {
-      "version": "4.11.9",
-      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.9.tgz",
-      "integrity": "sha512-E6QoYqCKZfgatHTdHzs1RRKP7ip4vvm+EyRUeE2RF0NblwVvb0p6jSVeNTOFxPn26QXN2o6SMfNxKp6kU8zQaw=="
+      "version": "4.12.3",
+      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.3.tgz",
+      "integrity": "sha512-fGTi3gxV/23FTYdAoUtLYp6qySe2KE3teyZitipKNRuVYcBkoP/bB3guXN/XVKUe9mxCHXnc9C4ocyz8OmgN0g==",
+      "license": "MIT"
     },
     "node_modules/browserify-sign": {
       "version": "4.2.0",
@@ -2253,9 +2256,10 @@
       }
     },
     "node_modules/create-ecdh/node_modules/bn.js": {
-      "version": "4.11.9",
-      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.9.tgz",
-      "integrity": "sha512-E6QoYqCKZfgatHTdHzs1RRKP7ip4vvm+EyRUeE2RF0NblwVvb0p6jSVeNTOFxPn26QXN2o6SMfNxKp6kU8zQaw=="
+      "version": "4.12.3",
+      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.3.tgz",
+      "integrity": "sha512-fGTi3gxV/23FTYdAoUtLYp6qySe2KE3teyZitipKNRuVYcBkoP/bB3guXN/XVKUe9mxCHXnc9C4ocyz8OmgN0g==",
+      "license": "MIT"
     },
     "node_modules/create-hash": {
       "version": "1.2.0",
@@ -2441,9 +2445,10 @@
       }
     },
     "node_modules/diffie-hellman/node_modules/bn.js": {
-      "version": "4.11.9",
-      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.9.tgz",
-      "integrity": "sha512-E6QoYqCKZfgatHTdHzs1RRKP7ip4vvm+EyRUeE2RF0NblwVvb0p6jSVeNTOFxPn26QXN2o6SMfNxKp6kU8zQaw=="
+      "version": "4.12.3",
+      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.3.tgz",
+      "integrity": "sha512-fGTi3gxV/23FTYdAoUtLYp6qySe2KE3teyZitipKNRuVYcBkoP/bB3guXN/XVKUe9mxCHXnc9C4ocyz8OmgN0g==",
+      "license": "MIT"
     },
     "node_modules/domain-browser": {
       "version": "1.2.0",
@@ -2486,9 +2491,10 @@
       }
     },
     "node_modules/elliptic/node_modules/bn.js": {
-      "version": "4.11.9",
-      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.9.tgz",
-      "integrity": "sha512-E6QoYqCKZfgatHTdHzs1RRKP7ip4vvm+EyRUeE2RF0NblwVvb0p6jSVeNTOFxPn26QXN2o6SMfNxKp6kU8zQaw=="
+      "version": "4.12.3",
+      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.3.tgz",
+      "integrity": "sha512-fGTi3gxV/23FTYdAoUtLYp6qySe2KE3teyZitipKNRuVYcBkoP/bB3guXN/XVKUe9mxCHXnc9C4ocyz8OmgN0g==",
+      "license": "MIT"
     },
     "node_modules/emoji-regex": {
       "version": "7.0.3",
@@ -3689,9 +3695,10 @@
       }
     },
     "node_modules/miller-rabin/node_modules/bn.js": {
-      "version": "4.11.9",
-      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.9.tgz",
-      "integrity": "sha512-E6QoYqCKZfgatHTdHzs1RRKP7ip4vvm+EyRUeE2RF0NblwVvb0p6jSVeNTOFxPn26QXN2o6SMfNxKp6kU8zQaw=="
+      "version": "4.12.3",
+      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.3.tgz",
+      "integrity": "sha512-fGTi3gxV/23FTYdAoUtLYp6qySe2KE3teyZitipKNRuVYcBkoP/bB3guXN/XVKUe9mxCHXnc9C4ocyz8OmgN0g==",
+      "license": "MIT"
     },
     "node_modules/mini-create-react-context": {
       "version": "0.4.0",
@@ -4226,9 +4233,10 @@
       }
     },
     "node_modules/public-encrypt/node_modules/bn.js": {
-      "version": "4.11.9",
-      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.9.tgz",
-      "integrity": "sha512-E6QoYqCKZfgatHTdHzs1RRKP7ip4vvm+EyRUeE2RF0NblwVvb0p6jSVeNTOFxPn26QXN2o6SMfNxKp6kU8zQaw=="
+      "version": "4.12.3",
+      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.3.tgz",
+      "integrity": "sha512-fGTi3gxV/23FTYdAoUtLYp6qySe2KE3teyZitipKNRuVYcBkoP/bB3guXN/XVKUe9mxCHXnc9C4ocyz8OmgN0g==",
+      "license": "MIT"
     },
     "node_modules/pump": {
       "version": "3.0.0",