diff --git a/package-lock.json b/package-lock.json
index 7cb06e0a..b6c030b2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,7 +17,7 @@
         "flat": "^6.0.1",
         "js-yaml": "^5.4.2",
         "markup-js": "^1.5.21",
-        "undici": "^8.11.2"
+        "undici": "^8.12.3"
       },
       "devDependencies": {
         "@biomejs/biome": "^2.5.14",
@@ -81,9 +81,9 @@
       }
     },
     "node_modules/@actions/github/node_modules/undici": {
-      "version": "6.29.0",
-      "resolved": "https://registry.npmjs.org/undici/-/undici-6.29.0.tgz",
-      "integrity": "sha512-R+RODBqp6i2pPflGdq+xIOUkl+RNfGgHwoinecKu/JCuf2uO06cOKoDbI2P7Dn6KcswdKwrczbU6IYJ6K8X+wg==",
+      "version": "6.29.1",
+      "resolved": "https://registry.npmjs.org/undici/-/undici-6.29.1.tgz",
+      "integrity": "sha512-EvRlUt/QqAEvXdQeRMYUfwOQsfzpDztykrG2owGEE/rBOBoYv9uF39ZzsNDh4lTFHhTr2XOZjKkYgueD12ZmGA==",
       "license": "MIT",
       "engines": {
         "node": ">=18.17"
@@ -100,9 +100,9 @@
       }
     },
     "node_modules/@actions/http-client/node_modules/undici": {
-      "version": "6.29.0",
-      "resolved": "https://registry.npmjs.org/undici/-/undici-6.29.0.tgz",
-      "integrity": "sha512-R+RODBqp6i2pPflGdq+xIOUkl+RNfGgHwoinecKu/JCuf2uO06cOKoDbI2P7Dn6KcswdKwrczbU6IYJ6K8X+wg==",
+      "version": "6.29.1",
+      "resolved": "https://registry.npmjs.org/undici/-/undici-6.29.1.tgz",
+      "integrity": "sha512-EvRlUt/QqAEvXdQeRMYUfwOQsfzpDztykrG2owGEE/rBOBoYv9uF39ZzsNDh4lTFHhTr2XOZjKkYgueD12ZmGA==",
       "license": "MIT",
       "engines": {
         "node": ">=18.17"
@@ -1671,18 +1671,18 @@
       }
     },
     "node_modules/undici": {
-      "version": "8.11.2",
-      "resolved": "https://registry.npmjs.org/undici/-/undici-8.11.2.tgz",
-      "integrity": "sha512-u4UB2/IrKdU6lFxumHmmo1a3fCQO5tzQllRorfoRS63txhrB7xTpSn1PftwC4qEHkOaqP95fCWW4lJzwErwzhQ==",
+      "version": "8.12.3",
+      "resolved": "https://registry.npmjs.org/undici/-/undici-8.12.3.tgz",
+      "integrity": "sha512-+fdndUTwBP86cVjihTp21hZHo7d6oj1c/47XPA3lL8mM0XHs+C4EkcjmgRsFnFk2f/UONGDy9ItBItmXsLOQHw==",
       "license": "MIT",
       "engines": {
         "node": ">=22.19.0"
       }
     },
     "node_modules/undici-types": {
-      "version": "8.11.2",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-8.11.2.tgz",
-      "integrity": "sha512-iMVNmWZ0leK/goS6eXMizSzmm9CDWtyphwbaCms3DNLqRxDL+mMoNVcZMTyyVgXP0N+Z8neAMzDoUOUJL8veKg==",
+      "version": "8.12.3",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-8.12.3.tgz",
+      "integrity": "sha512-EXE4ydL3S76dFb27UFjNVZHTyv/TLdATj/KUe29ptdcg6qXL48J2tZ3126E5kICj5jn781OR+XlVH1N6Mz8jbA==",
       "license": "MIT"
     },
     "node_modules/universal-user-agent": {
diff --git a/package.json b/package.json
index 3504a936..1b82cda8 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,7 @@
     "flat": "^6.0.1",
     "js-yaml": "^5.4.2",
     "markup-js": "^1.5.21",
-    "undici": "^8.11.2"
+    "undici": "^8.12.3"
   },
   "overrides": {
     "undici-types": "$undici"