diff --git a/bun.lock b/bun.lock
index bb39565f..798157b5 100644
--- a/bun.lock
+++ b/bun.lock
@@ -7,7 +7,7 @@
         "@giscus/vue": "^3.1.1",
       },
       "devDependencies": {
-        "@types/node": "^25.6.0",
+        "@types/node": "^25.9.0",
         "prettier": "^3.8.3",
         "vitepress": "^1.6.4",
         "vitepress-export-pdf": "^1.0.0",
@@ -205,7 +205,7 @@
 
     "@types/mdurl": ["@types/mdurl@2.0.0", "", {}, "sha512-RGdgjQUZba5p6QEFAVx2OGb8rQDL/cPRG7GiedRzMcJ1tYnUANBncjbSB1NRGwbvjcPeikRABz2nshyPk1bhWg=="],
 
-    "@types/node": ["@types/node@25.6.0", "", { "dependencies": { "undici-types": "~7.19.0" } }, "sha512-+qIYRKdNYJwY3vRCZMdJbPLJAtGjQBudzZzdzwQYkEPQd+PJGixUL5QfvCLDaULoLv+RhT3LDkwEfKaAkgSmNQ=="],
+    "@types/node": ["@types/node@25.9.0", "", { "dependencies": { "undici-types": ">=7.24.0 <7.24.7" } }, "sha512-AOQwYUNolgy3VosiRqXrACUXTN8nJUtPl7FJXMqZVyxiiCLhQuG3jXKvCS1ALr+Y2OmZhzzLVlYPEqJaiqkaJQ=="],
 
     "@types/trusted-types": ["@types/trusted-types@2.0.7", "", {}, "sha512-ScaPdn1dQczgbl0QFTeTOmVHFULt394XJgOQNoyVhZ6r2vLnMLJfBPd53SB52T/3G36VI1/g2MZaX0cwDuXsfw=="],
 
@@ -655,7 +655,7 @@
 
     "unbzip2-stream": ["unbzip2-stream@1.4.3", "", { "dependencies": { "buffer": "^5.2.1", "through": "^2.3.8" } }, "sha512-mlExGW4w71ebDJviH16lQLtZS32VKqsSfk80GCfUlwT/4/hNRFsoscrF/c++9xinkMzECL1uL9DDwXqFWkruPg=="],
 
-    "undici-types": ["undici-types@7.19.2", "", {}, "sha512-qYVnV5OEm2AW8cJMCpdV20CDyaN3g0AjDlOGf1OW4iaDEx8MwdtChUp4zu4H0VP3nDRF/8RKWH+IPp9uW0YGZg=="],
+    "undici-types": ["undici-types@7.24.6", "", {}, "sha512-WRNW+sJgj5OBN4/0JpHFqtqzhpbnV0GuB+OozA9gCL7a993SmU+1JBZCzLNxYsbMfIeDL+lTsphD5jN5N+n0zg=="],
 
     "unicode-trie": ["unicode-trie@0.3.1", "", { "dependencies": { "pako": "^0.2.5", "tiny-inflate": "^1.0.0" } }, "sha512-WgVuO0M2jDl7hVfbPgXv2LUrD81HM0bQj/bvLGiw6fJ4Zo8nNFnDrA0/hU2Te/wz6pjxCm5cxJwtLjo2eyV51Q=="],
 
diff --git a/package.json b/package.json
index 9f1ce053..1c158b2b 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
     "export-pdf": "press-export-pdf export course"
   },
   "devDependencies": {
-    "@types/node": "^25.6.0",
+    "@types/node": "^25.9.0",
     "prettier": "^3.8.3",
     "vitepress": "^1.6.4",
     "vitepress-export-pdf": "^1.0.0"