diff --git a/Lecture15/sequelizetest/package-lock.json b/Lecture15/sequelizetest/package-lock.json
index 9285e4a..95a5eea 100644
--- a/Lecture15/sequelizetest/package-lock.json
+++ b/Lecture15/sequelizetest/package-lock.json
@@ -5,9 +5,9 @@
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+      "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.27.tgz",
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@@ -1012,25 +1012,25 @@
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+        "debug": "^4.1.1",
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-        "toposort-class": "1.0.1",
-        "uuid": "3.3.2",
-        "validator": "10.11.0",
-        "wkx": "0.4.7"
+        "lodash": "^4.17.11",
+        "moment": "^2.24.0",
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+        "retry-as-promised": "^3.1.0",
+        "semver": "^6.1.1",
+        "sequelize-pool": "^2.3.0",
+        "toposort-class": "^1.0.1",
+        "uuid": "^3.2.1",
+        "validator": "^10.11.0",
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@@ -1038,7 +1038,7 @@
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@@ -1265,11 +1265,11 @@
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diff --git a/Lecture15/sequelizetest/package.json b/Lecture15/sequelizetest/package.json
index 50c10a5..7dc2098 100644
--- a/Lecture15/sequelizetest/package.json
+++ b/Lecture15/sequelizetest/package.json
@@ -10,7 +10,7 @@
   "license": "ISC",
   "dependencies": {
     "express": "^4.17.1",
-    "sequelize": "^5.10.0",
+    "sequelize": "^5.15.1",
     "sqlite3": "^4.0.9"
   }
 }