diff --git a/Section-2/2.4/package-lock.json b/Section-2/2.4/package-lock.json
index eba10ba..6e7142e 100644
--- a/Section-2/2.4/package-lock.json
+++ b/Section-2/2.4/package-lock.json
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@@ -266,6 +404,16 @@
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@@ -282,6 +430,15 @@
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@@ -316,6 +473,35 @@
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@@ -352,21 +538,61 @@
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+        }
+      }
+    },
+    "yargs-parser": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-5.0.1.tgz",
+      "integrity": "sha512-wpav5XYiddjXxirPoCTUPbqM0PXvJ9hiBMvuJgInvo4/lAOTZzUprArw17q2O1P2+GHhbBr18/iQwjL5Z9BqfA==",
+      "requires": {
+        "camelcase": "^3.0.0",
+        "object.assign": "^4.1.0"
+      },
+      "dependencies": {
+        "camelcase": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-3.0.0.tgz",
+          "integrity": "sha512-4nhGqUkc4BqbBBB4Q6zLuD7lzzrHYrjKGeYaEji/3tFR5VdJu9v+LilhGIVe8wxEJPPOeWo7eg8dwY13TZ1BNg=="
+        }
+      }
     }
   }
 }
diff --git a/Section-2/2.4/package.json b/Section-2/2.4/package.json
index 95e225d..3fea1be 100644
--- a/Section-2/2.4/package.json
+++ b/Section-2/2.4/package.json
@@ -14,7 +14,7 @@
     "grunt": "^1.0.1",
     "grunt-cli": "^1.2.0",
     "grunt-shell": "^2.1.0",
-    "gulp": "^3.9.1",
+    "gulp": "^4.0.2",
     "gulp-shell": "^0.6.3"
   }
 }