diff --git a/00-express-simple-cases/package-lock.json b/00-express-simple-cases/package-lock.json
index 2b0cd4a..ccf3cc3 100644
--- a/00-express-simple-cases/package-lock.json
+++ b/00-express-simple-cases/package-lock.json
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+      "version": "2.5.0",
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+      "resolved": "https://registry.npmjs.org/semver/-/semver-7.3.8.tgz",
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@@ -918,9 +931,9 @@
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-      "resolved": "https://registry.npmjs.org/set-cookie-parser/-/set-cookie-parser-2.4.8.tgz",
-      "integrity": "sha512-edRH8mBKEWNVIVMKejNnuJxleqYE/ZSdcT8/Nem9/mmosx12pctd80s2Oy00KNZzrogMZS5mauK2/ymL1bvlvg=="
+      "version": "2.5.1",
+      "resolved": "https://registry.npmjs.org/set-cookie-parser/-/set-cookie-parser-2.5.1.tgz",
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@@ -975,25 +988,10 @@
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-    "string_decoder": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz",
-      "integrity": "sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==",
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-          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
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-      "resolved": "https://registry.npmjs.org/tiny-lru/-/tiny-lru-7.0.6.tgz",
-      "integrity": "sha512-zNYO0Kvgn5rXzWpL0y3RS09sMK67eGaQj9805jlK9G6pSadfriTczzLHFXa/xcW4mIRfmlB9HyQ/+SgL0V1uow=="
+      "version": "8.0.2",
+      "resolved": "https://registry.npmjs.org/tiny-lru/-/tiny-lru-8.0.2.tgz",
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@@ -1044,11 +1042,6 @@
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       }
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-    "util-deprecate": {
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-      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
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diff --git a/00-express-simple-cases/package.json b/00-express-simple-cases/package.json
index 2539cc1..44abd62 100644
--- a/00-express-simple-cases/package.json
+++ b/00-express-simple-cases/package.json
@@ -13,7 +13,7 @@
     "axios": "^0.21.1",
     "body-parser": "^1.19.0",
     "express": "^4.17.1",
-    "fastify": "^3.14.1",
+    "fastify": "^3.29.4",
     "request": "^2.88.2",
     "request-promise": "^4.2.5",
     "shortid": "^2.2.16"