diff --git a/test/instrumentation/azure-functions/fixtures/azfunc4/package-lock.json b/test/instrumentation/azure-functions/fixtures/azfunc4/package-lock.json
index e78727a8d2..0d6e62d72f 100644
--- a/test/instrumentation/azure-functions/fixtures/azfunc4/package-lock.json
+++ b/test/instrumentation/azure-functions/fixtures/azfunc4/package-lock.json
@@ -412,9 +412,10 @@
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     },
     "node_modules/undici": {
-      "version": "5.28.4",
-      "resolved": "https://registry.npmjs.org/undici/-/undici-5.28.4.tgz",
-      "integrity": "sha512-72RFADWFqKmUb2hmmvNODKL3p9hcB6Gt2DOQMis1SEBaV6a4MH8soBvzg+95CYhCKPFedut2JY9bMfrDl9D23g==",
+      "version": "5.28.5",
+      "resolved": "https://registry.npmjs.org/undici/-/undici-5.28.5.tgz",
+      "integrity": "sha512-zICwjrDrcrUE0pyyJc1I2QzBkLM8FINsgOrt6WjA+BgajVq9Nxu2PbFFXUrAggLfDXlZGZBVZYw7WNV5KiBiBA==",
+      "license": "MIT",
       "dependencies": {
         "@fastify/busboy": "^2.0.0"
       },