diff --git a/package-lock.json b/package-lock.json
index aaeb46c..cf53cf5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,7 +12,7 @@
         "web-tree-sitter": "^0.26.12"
       },
       "devDependencies": {
-        "@types/node": "^26.2.0",
+        "@types/node": "^26.5.1",
         "@vitest/coverage-v8": "4.1.11",
         "esbuild": "^0.28.2",
         "jsdom": "^30.0.1",
@@ -1093,13 +1093,13 @@
       "dev": true
     },
     "node_modules/@types/node": {
-      "version": "26.2.0",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.2.0.tgz",
-      "integrity": "sha512-5IviulTZeRNp2vAJ514cc/HUlY5nZ9fCbq9DMyC52BrhFZACo3nI0R7qBxhQmo/d27NFe96ur/b7Wwxklda+kg==",
+      "version": "26.5.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.5.1.tgz",
+      "integrity": "sha512-CzNm2FezW4VR/LjG6yUdiEgLE/rAQ9Slj5gCu/C2VrdcW7I0ahNZ8DRbHT7zOZ6r3ONgd/bsQIeSaoDGrd1C6g==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~8.3.0"
+        "undici-types": "~8.9.0"
       }
     },
     "node_modules/@typescript/typescript-aix-ppc64": {
@@ -2971,9 +2971,9 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "8.3.0",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-8.3.0.tgz",
-      "integrity": "sha512-j375ScV60dom+YkPFIfTLcOiPxkN/buHz5GobjLhixFuANaNs3C9l4GmrWqejgXWJ7BbJcFYpTEUkS1Ge8bpZQ==",
+      "version": "8.9.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-8.9.0.tgz",
+      "integrity": "sha512-KTDyRTYX8sWmKXAikPHHSyc63CRPETMctyjKFupcC6OBLXT3xsN0e9aF7m+mIXutFWpUXuedtowG7iLOzp0kQg==",
       "dev": true,
       "license": "MIT"
     },
diff --git a/package.json b/package.json
index e00e519..8503b97 100644
--- a/package.json
+++ b/package.json
@@ -68,7 +68,7 @@
     "secrets:text": "node scripts/check-secrets.mjs --text"
   },
   "devDependencies": {
-    "@types/node": "^26.2.0",
+    "@types/node": "^26.5.1",
     "@vitest/coverage-v8": "4.1.11",
     "esbuild": "^0.28.2",
     "jsdom": "^30.0.1",