diff --git a/package-lock.json b/package-lock.json
index e76102b9..09671d6f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -29,7 +29,7 @@
         "minimatch": "10.0.1",
         "moment": "2.30.1",
         "semver": "7.6.3",
-        "undici": "6.19.8",
+        "undici": "6.21.0",
         "vscode-languageclient": "9.0.1",
         "vscode-languageserver": "9.0.1",
         "vscode-languageserver-textdocument": "1.0.12",
@@ -14173,9 +14173,9 @@
       }
     },
     "node_modules/undici": {
-      "version": "6.19.8",
-      "resolved": "https://registry.npmjs.org/undici/-/undici-6.19.8.tgz",
-      "integrity": "sha512-U8uCCl2x9TK3WANvmBavymRzxbfFYG+tAu+fgx3zxQy3qdagQqBLwJVrdyO1TBfUXvfKveMKJZhpvUYoOjM+4g==",
+      "version": "6.21.0",
+      "resolved": "https://registry.npmjs.org/undici/-/undici-6.21.0.tgz",
+      "integrity": "sha512-BUgJXc752Kou3oOIuU1i+yZZypyZRqNPW0vqoMPl8VaoalSfeR0D8/t4iAS3yirs79SSMTxTag+ZC86uswv+Cw==",
       "license": "MIT",
       "engines": {
         "node": ">=18.17"
diff --git a/package.json b/package.json
index 41a0a391..0e389411 100644
--- a/package.json
+++ b/package.json
@@ -57,7 +57,7 @@
     "minimatch": "10.0.1",
     "moment": "2.30.1",
     "semver": "7.6.3",
-    "undici": "6.19.8",
+    "undici": "6.21.0",
     "vscode-languageclient": "9.0.1",
     "vscode-languageserver": "9.0.1",
     "vscode-languageserver-textdocument": "1.0.12",