diff --git a/L9-file-upload/package-lock.json b/L9-file-upload/package-lock.json
index 778a3c5..fe37e03 100644
--- a/L9-file-upload/package-lock.json
+++ b/L9-file-upload/package-lock.json
@@ -14,7 +14,6 @@
         "ejs": "^3.1.6",
         "express": "^4.17.1",
         "minio": "^7.0.18",
-        "moment": "^2.29.1",
         "mongoose": "^5.11.18",
         "morgan": "^1.10.0",
         "multer": "^1.4.2",
@@ -1371,9 +1370,9 @@
       }
     },
     "node_modules/minimatch": {
-      "version": "3.0.4",
-      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
-      "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
+      "integrity": "sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==",
       "dependencies": {
         "brace-expansion": "^1.1.7"
       },
@@ -1419,14 +1418,6 @@
         "mkdirp": "bin/cmd.js"
       }
     },
-    "node_modules/moment": {
-      "version": "2.29.1",
-      "resolved": "https://registry.npmjs.org/moment/-/moment-2.29.1.tgz",
-      "integrity": "sha512-kHmoybcPV8Sqy59DwNDY3Jefr64lK/by/da0ViFcuA4DH0vQg5Q6Ze5VimxkfQNSC+Mls/Kx53s7TjP1RhFEDQ==",
-      "engines": {
-        "node": "*"
-      }
-    },
     "node_modules/mongodb": {
       "version": "3.6.4",
       "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.6.4.tgz",
@@ -3496,9 +3487,9 @@
       "integrity": "sha512-j5EctnkH7amfV/q5Hgmoal1g2QHFJRraOtmx0JpIqkxhBhI/lJSl1nMpQ45hVarwNETOoWEimndZ4QK0RHxuxQ=="
     },
     "minimatch": {
-      "version": "3.0.4",
-      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
-      "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
+      "integrity": "sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==",
       "requires": {
         "brace-expansion": "^1.1.7"
       }
@@ -3535,11 +3526,6 @@
         "minimist": "^1.2.5"
       }
     },
-    "moment": {
-      "version": "2.29.1",
-      "resolved": "https://registry.npmjs.org/moment/-/moment-2.29.1.tgz",
-      "integrity": "sha512-kHmoybcPV8Sqy59DwNDY3Jefr64lK/by/da0ViFcuA4DH0vQg5Q6Ze5VimxkfQNSC+Mls/Kx53s7TjP1RhFEDQ=="
-    },
     "mongodb": {
       "version": "3.6.4",
       "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.6.4.tgz",