diff --git a/fixtures/flight/package.json b/fixtures/flight/package.json
index c63500727d02..bba2bb9d8efc 100644
--- a/fixtures/flight/package.json
+++ b/fixtures/flight/package.json
@@ -59,7 +59,7 @@
     "style-loader": "^3.3.1",
     "tailwindcss": "^3.0.2",
     "terser-webpack-plugin": "^5.2.5",
-    "undici": "^5.20.0",
+    "undici": "^5.29.0",
     "webpack": "^5.64.4",
     "webpack-dev-middleware": "^5.3.4",
     "webpack-hot-middleware": "^2.25.3",
diff --git a/fixtures/flight/yarn.lock b/fixtures/flight/yarn.lock
index 928e18a35eb8..56bad672d7a3 100644
--- a/fixtures/flight/yarn.lock
+++ b/fixtures/flight/yarn.lock
@@ -9168,10 +9168,10 @@ undefsafe@^2.0.5:
   resolved "https://registry.yarnpkg.com/undefsafe/-/undefsafe-2.0.5.tgz#38733b9327bdcd226db889fb723a6efd162e6e2c"
   integrity sha512-WxONCrssBM8TSPRqN5EmsjVrsv4A8X12J4ArBiiayv3DyyG3ZlIg6yysuuSYdZsVz3TKcTg2fd//Ujd4CHV1iA==
 
-undici@^5.20.0:
-  version "5.28.4"
-  resolved "https://registry.yarnpkg.com/undici/-/undici-5.28.4.tgz#6b280408edb6a1a604a9b20340f45b422e373068"
-  integrity sha512-72RFADWFqKmUb2hmmvNODKL3p9hcB6Gt2DOQMis1SEBaV6a4MH8soBvzg+95CYhCKPFedut2JY9bMfrDl9D23g==
+undici@^5.29.0:
+  version "5.29.0"
+  resolved "https://registry.yarnpkg.com/undici/-/undici-5.29.0.tgz#419595449ae3f2cdcba3580a2e8903399bd1f5a3"
+  integrity sha512-raqeBD6NQK4SkWhQzeYKd1KmIG6dllBOTt55Rmkt4HtI9mwdWtJljnrXjAFUBLTSN67HWrOIZ3EPF4kjUw80Bg==
   dependencies:
     "@fastify/busboy" "^2.0.0"