diff --git a/06-node-express-databases/node-express-mongo-crud-library/package-lock.json b/06-node-express-databases/node-express-mongo-crud-library/package-lock.json
index 3bd3e74c..9d93dad3 100644
--- a/06-node-express-databases/node-express-mongo-crud-library/package-lock.json
+++ b/06-node-express-databases/node-express-mongo-crud-library/package-lock.json
@@ -13,7 +13,7 @@
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diff --git a/06-node-express-databases/node-express-mongo-crud-library/package.json b/06-node-express-databases/node-express-mongo-crud-library/package.json
index d323d62d..50f92a7d 100644
--- a/06-node-express-databases/node-express-mongo-crud-library/package.json
+++ b/06-node-express-databases/node-express-mongo-crud-library/package.json
@@ -14,7 +14,7 @@
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diff --git a/06-node-express-databases/node-express-mongo-relations-blog/package-lock.json b/06-node-express-databases/node-express-mongo-relations-blog/package-lock.json
index c8dad861..916cf83e 100644
--- a/06-node-express-databases/node-express-mongo-relations-blog/package-lock.json
+++ b/06-node-express-databases/node-express-mongo-relations-blog/package-lock.json
@@ -12,7 +12,7 @@
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+        "mongoose": "8.20.1",
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+      "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-8.20.1.tgz",
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+      "peer": true,
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diff --git a/06-node-express-databases/node-express-mongo-relations-blog/package.json b/06-node-express-databases/node-express-mongo-relations-blog/package.json
index 86a7fdd0..28dc8612 100644
--- a/06-node-express-databases/node-express-mongo-relations-blog/package.json
+++ b/06-node-express-databases/node-express-mongo-relations-blog/package.json
@@ -13,7 +13,7 @@
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diff --git a/07-node-express-authentication/node-auth-passport-google/package-lock.json b/07-node-express-authentication/node-auth-passport-google/package-lock.json
index 3914eaf0..7e30877b 100644
--- a/07-node-express-authentication/node-auth-passport-google/package-lock.json
+++ b/07-node-express-authentication/node-auth-passport-google/package-lock.json
@@ -17,7 +17,7 @@
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-        "mongoose": "8.19.0",
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@@ -3752,9 +3752,9 @@
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+      "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-8.20.1.tgz",
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@@ -8524,9 +8524,9 @@
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+      "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-8.20.1.tgz",
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diff --git a/07-node-express-authentication/node-auth-passport-google/package.json b/07-node-express-authentication/node-auth-passport-google/package.json
index 60bc1ebf..954ad07f 100644
--- a/07-node-express-authentication/node-auth-passport-google/package.json
+++ b/07-node-express-authentication/node-auth-passport-google/package.json
@@ -17,7 +17,7 @@
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     "hbs": "4.2.0",
-    "mongoose": "8.19.0",
+    "mongoose": "8.20.1",
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diff --git a/07-node-express-authentication/node-auth-passport/package-lock.json b/07-node-express-authentication/node-auth-passport/package-lock.json
index bd5ae5af..703df2b9 100644
--- a/07-node-express-authentication/node-auth-passport/package-lock.json
+++ b/07-node-express-authentication/node-auth-passport/package-lock.json
@@ -16,7 +16,7 @@
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-        "mongoose": "8.19.0",
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@@ -3472,9 +3472,9 @@
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+      "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-8.20.1.tgz",
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+      "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-8.20.1.tgz",
+      "integrity": "sha512-G+n3maddlqkQrP1nXxsI0q20144OSo+pe+HzRRGqaC4yK3FLYKqejqB9cbIi+SX7eoRsnG23LHGYNp8n7mWL2Q==",
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diff --git a/07-node-express-authentication/node-auth-passport/package.json b/07-node-express-authentication/node-auth-passport/package.json
index 452bfc83..903e68a9 100644
--- a/07-node-express-authentication/node-auth-passport/package.json
+++ b/07-node-express-authentication/node-auth-passport/package.json
@@ -16,7 +16,7 @@
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     "express-session": "1.18.2",
     "hbs": "4.2.0",
-    "mongoose": "8.19.0",
+    "mongoose": "8.20.1",
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diff --git a/07-node-express-authentication/node-auth-user-registration/package-lock.json b/07-node-express-authentication/node-auth-user-registration/package-lock.json
index 0906e287..71e952ec 100644
--- a/07-node-express-authentication/node-auth-user-registration/package-lock.json
+++ b/07-node-express-authentication/node-auth-user-registration/package-lock.json
@@ -16,7 +16,7 @@
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+        "mongoose": "8.20.1",
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@@ -2598,9 +2598,9 @@
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+      "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-8.20.1.tgz",
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@@ -5481,9 +5481,9 @@
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+      "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-8.20.1.tgz",
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diff --git a/07-node-express-authentication/node-auth-user-registration/package.json b/07-node-express-authentication/node-auth-user-registration/package.json
index 8914c876..1d84e9eb 100644
--- a/07-node-express-authentication/node-auth-user-registration/package.json
+++ b/07-node-express-authentication/node-auth-user-registration/package.json
@@ -17,7 +17,7 @@
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diff --git a/08-node-express-uploading/package.json b/08-node-express-uploading/package.json
index c54ff275..481f7775 100644
--- a/08-node-express-uploading/package.json
+++ b/08-node-express-uploading/package.json
@@ -14,7 +14,7 @@
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