diff --git a/package-lock.json b/package-lock.json
index d8a42a9..ef3db87 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15,7 +15,7 @@
         "eslint-plugin-node": "11.1.0",
         "eslint-plugin-sonarjs": "0.12.0",
         "husky": "7.0.4",
-        "undici": "4.15.1"
+        "undici": "5.9.1"
       },
       "engines": {
         "node": ">=11.14.0"
@@ -2592,9 +2592,9 @@
       }
     },
     "node_modules/undici": {
-      "version": "4.15.1",
-      "resolved": "https://registry.npmjs.org/undici/-/undici-4.15.1.tgz",
-      "integrity": "sha512-h8LJybhMKD09IyQZoQadNtIR/GmugVhTOVREunJrpV6RStriKBFdSVoFzEzTihwXi/27DIBO+Z0OGF+Mzfi0lA==",
+      "version": "5.9.1",
+      "resolved": "https://registry.npmjs.org/undici/-/undici-5.9.1.tgz",
+      "integrity": "sha512-6fB3a+SNnWEm4CJbgo0/CWR8RGcOCQP68SF4X0mxtYTq2VNN8T88NYrWVBAeSX+zb7bny2dx2iYhP3XHi00omg==",
       "dev": true,
       "engines": {
         "node": ">=12.18"
@@ -4509,9 +4509,9 @@
       }
     },
     "undici": {
-      "version": "4.15.1",
-      "resolved": "https://registry.npmjs.org/undici/-/undici-4.15.1.tgz",
-      "integrity": "sha512-h8LJybhMKD09IyQZoQadNtIR/GmugVhTOVREunJrpV6RStriKBFdSVoFzEzTihwXi/27DIBO+Z0OGF+Mzfi0lA==",
+      "version": "5.9.1",
+      "resolved": "https://registry.npmjs.org/undici/-/undici-5.9.1.tgz",
+      "integrity": "sha512-6fB3a+SNnWEm4CJbgo0/CWR8RGcOCQP68SF4X0mxtYTq2VNN8T88NYrWVBAeSX+zb7bny2dx2iYhP3XHi00omg==",
       "dev": true
     },
     "uri-js": {
diff --git a/package.json b/package.json
index 2b00384..4f22af2 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "eslint-plugin-node": "11.1.0",
     "eslint-plugin-sonarjs": "0.12.0",
     "husky": "7.0.4",
-    "undici": "4.15.1"
+    "undici": "5.9.1"
   },
   "keywords": [
     "rfc7230",