diff --git a/package-lock.json b/package-lock.json
index c76ff08af..a415924f0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -36,7 +36,7 @@
         "@mui/icons-material": "^5.0.1",
         "@mui/material": "^5.0.1",
         "@mui/styles": "^5.0.1",
-        "fastify": "^3.29.0",
+        "fastify": "^5.4.0",
         "ignore-styles": "^5.0.1",
         "lunr": "^2.3.9",
         "prop-types": "^15.8.1",
diff --git a/package.json b/package.json
index db3bf97b1..be1dd5e53 100644
--- a/package.json
+++ b/package.json
@@ -79,7 +79,7 @@
     "@mui/icons-material": "^5.0.1",
     "@mui/material": "^5.0.1",
     "@mui/styles": "^5.0.1",
-    "fastify": "^3.29.0",
+    "fastify": "^5.4.0",
     "ignore-styles": "^5.0.1",
     "lunr": "^2.3.9",
     "prop-types": "^15.8.1",