diff --git a/cddl-lsp/package-lock.json b/cddl-lsp/package-lock.json
index d4b4bbfc..df2e2de3 100644
--- a/cddl-lsp/package-lock.json
+++ b/cddl-lsp/package-lock.json
@@ -859,13 +859,13 @@
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-      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.6.0.tgz",
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+      "version": "25.9.0",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.9.0.tgz",
+      "integrity": "sha512-AOQwYUNolgy3VosiRqXrACUXTN8nJUtPl7FJXMqZVyxiiCLhQuG3jXKvCS1ALr+Y2OmZhzzLVlYPEqJaiqkaJQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~7.19.0"
+        "undici-types": ">=7.24.0 <7.24.7"
       }
     },
     "node_modules/@types/normalize-package-data": {
@@ -6131,9 +6131,9 @@
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     "node_modules/undici-types": {
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-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.19.2.tgz",
-      "integrity": "sha512-qYVnV5OEm2AW8cJMCpdV20CDyaN3g0AjDlOGf1OW4iaDEx8MwdtChUp4zu4H0VP3nDRF/8RKWH+IPp9uW0YGZg==",
+      "version": "7.24.6",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.24.6.tgz",
+      "integrity": "sha512-WRNW+sJgj5OBN4/0JpHFqtqzhpbnV0GuB+OozA9gCL7a993SmU+1JBZCzLNxYsbMfIeDL+lTsphD5jN5N+n0zg==",
       "dev": true,
       "license": "MIT"
     },