diff --git a/flat-manager/package.json b/flat-manager/package.json
index 8f5c9a0..978ecd8 100644
--- a/flat-manager/package.json
+++ b/flat-manager/package.json
@@ -14,5 +14,8 @@
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-promise": "^6.1.1",
     "jest": "^29.6.4"
+  },
+  "resolutions": {
+    "undici": "8.9.0"
   }
 }
diff --git a/flat-manager/yarn.lock b/flat-manager/yarn.lock
index 0cd7203..bdc9948 100644
--- a/flat-manager/yarn.lock
+++ b/flat-manager/yarn.lock
@@ -330,11 +330,6 @@
   resolved "https://registry.yarnpkg.com/@eslint/js/-/js-8.57.1.tgz#de633db3ec2ef6a3c89e2f19038063e8a122e2c2"
   integrity sha512-d9zaMRSTIKDLhctzH12MtXvJKSSUhaHcjV+2Z+GK+EEY7XKpP5yR4x+N3TAcHTcu963nIr+TMcCb4DBCYX1z6Q==
 
-"@fastify/busboy@^2.0.0":
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/@fastify/busboy/-/busboy-2.1.1.tgz#b9da6a878a371829a0502c9b6c1c143ef6663f4d"
-  integrity sha512-vBZP4NlzfOlerQTnba4aqZoMhE/a9HY7HRqoOPaETQcSQuWEIyZMHGfVu6w9wGtGK5fED5qRs2DteVCjOH60sA==
-
 "@humanwhocodes/config-array@^0.13.0":
   version "0.13.0"
   resolved "https://registry.yarnpkg.com/@humanwhocodes/config-array/-/config-array-0.13.0.tgz#fb907624df3256d04b9aa2df50d7aa97ec648748"
@@ -3540,12 +3535,10 @@ undici-types@~8.3.0:
   resolved "https://registry.yarnpkg.com/undici-types/-/undici-types-8.3.0.tgz#44e9fc9f3244648cdea35e4f9bb2d681e9410809"
   integrity sha512-j375ScV60dom+YkPFIfTLcOiPxkN/buHz5GobjLhixFuANaNs3C9l4GmrWqejgXWJ7BbJcFYpTEUkS1Ge8bpZQ==
 
-undici@^5.25.4:
-  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"
+undici@8.9.0, undici@^5.25.4:
+  version "8.9.0"
+  resolved "https://registry.yarnpkg.com/undici/-/undici-8.9.0.tgz#f51154fe38c56e3ff21ab62a5ed484e70de53d8d"
+  integrity sha512-aWZpUj7XoGonMClx4gdDRfgBjqeA+F473aDmROQQbM9n6PRfK/u1q/a0X4wMTgcHfT8H6fpbt98PFuDUwFg2YA==
 
 update-browserslist-db@^1.3.0:
   version "1.3.1"