diff --git a/4-natours/after-section-11/package-lock.json b/4-natours/after-section-11/package-lock.json
index d8879a156a..97653f28f9 100644
--- a/4-natours/after-section-11/package-lock.json
+++ b/4-natours/after-section-11/package-lock.json
@@ -2150,9 +2150,9 @@
       "integrity": "sha1-CzpmK10Ewxd7GSa+qCsD+Dei70E="
     },
     "slugify": {
-      "version": "1.3.4",
-      "resolved": "https://registry.npmjs.org/slugify/-/slugify-1.3.4.tgz",
-      "integrity": "sha512-KP0ZYk5hJNBS8/eIjGkFDCzGQIoZ1mnfQRYS5WM3273z+fxGWXeN0fkwf2ebEweydv9tioZIHGZKoF21U07/nw=="
+      "version": "1.6.6",
+      "resolved": "https://registry.npmjs.org/slugify/-/slugify-1.6.6.tgz",
+      "integrity": "sha512-h+z7HKHYXj6wJU+AnS/+IH8Uh9fdcX1Lrhg1/VMdf9PwoBQXFcXiAdsy2tSK0P6gKwJLXp02r90ahUCqHk9rrw=="
     },
     "sparse-bitfield": {
       "version": "3.0.3",
diff --git a/4-natours/after-section-11/package.json b/4-natours/after-section-11/package.json
index 0be32bf985..4cd03cde15 100644
--- a/4-natours/after-section-11/package.json
+++ b/4-natours/after-section-11/package.json
@@ -22,7 +22,7 @@
     "mongoose": "^5.5.2",
     "morgan": "^1.9.1",
     "nodemailer": "^6.1.1",
-    "slugify": "^1.3.4",
+    "slugify": "^1.6.6",
     "validator": "^10.11.0",
     "xss-clean": "^0.1.1"
   },