diff --git a/CHANGELOG.md b/CHANGELOG.md
index f331ec1..7c08289 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@
 - Updated node runtime from 16 to 20
 - Bumped `@actions/core` from 1.10.0 to 1.11.1
 - Bumped `@actions/github` from 5.1.1 to 6.0.0
+- Bumped `undici` from 5.28.3 to 5.28.4
 
 ## [2.0.0](https://github.com/xt0rted/pull-request-comment-branch/compare/v1.4.0...v2.0.0) - 2023-03-29
 
diff --git a/package-lock.json b/package-lock.json
index 262c3d0..3e9ebc4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -626,9 +626,9 @@
       }
     },
     "node_modules/undici": {
-      "version": "5.28.3",
-      "resolved": "https://registry.npmjs.org/undici/-/undici-5.28.3.tgz",
-      "integrity": "sha512-3ItfzbrhDlINjaP0duwnNsKpDQk3acHI3gVJ1z4fmwMK31k5G9OVIAMLSIaP6w4FaGkaAkN6zaQO9LUvZ1t7VA==",
+      "version": "5.28.4",
+      "resolved": "https://registry.npmjs.org/undici/-/undici-5.28.4.tgz",
+      "integrity": "sha512-72RFADWFqKmUb2hmmvNODKL3p9hcB6Gt2DOQMis1SEBaV6a4MH8soBvzg+95CYhCKPFedut2JY9bMfrDl9D23g==",
       "dependencies": {
         "@fastify/busboy": "^2.0.0"
       },
@@ -1209,9 +1209,9 @@
       "dev": true
     },
     "undici": {
-      "version": "5.28.3",
-      "resolved": "https://registry.npmjs.org/undici/-/undici-5.28.3.tgz",
-      "integrity": "sha512-3ItfzbrhDlINjaP0duwnNsKpDQk3acHI3gVJ1z4fmwMK31k5G9OVIAMLSIaP6w4FaGkaAkN6zaQO9LUvZ1t7VA==",
+      "version": "5.28.4",
+      "resolved": "https://registry.npmjs.org/undici/-/undici-5.28.4.tgz",
+      "integrity": "sha512-72RFADWFqKmUb2hmmvNODKL3p9hcB6Gt2DOQMis1SEBaV6a4MH8soBvzg+95CYhCKPFedut2JY9bMfrDl9D23g==",
       "requires": {
         "@fastify/busboy": "^2.0.0"
       }