diff --git a/5g-network/package.json b/5g-network/package.json
index ba44307..c21a95a 100644
--- a/5g-network/package.json
+++ b/5g-network/package.json
@@ -24,7 +24,7 @@
   },
   "devDependencies": {
     "express": "4.17.1",
-    "grunt": "1.0.4",
+    "grunt": "1.5.2",
     "grunt-autoprefixer": "3.0.4",
     "grunt-cli": "1.3.2",
     "grunt-contrib-connect": "1.0.2",
diff --git a/data-warehouse-vs-data-lake/package.json b/data-warehouse-vs-data-lake/package.json
index 2fe42e4..c21a95a 100644
--- a/data-warehouse-vs-data-lake/package.json
+++ b/data-warehouse-vs-data-lake/package.json
@@ -24,7 +24,7 @@
   },
   "devDependencies": {
     "express": "4.17.1",
-    "grunt": "1.4.1",
+    "grunt": "1.5.2",
     "grunt-autoprefixer": "3.0.4",
     "grunt-cli": "1.3.2",
     "grunt-contrib-connect": "1.0.2",