diff --git a/package-lock.json b/package-lock.json
index 647ab44..0f3c6ba 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1445,14 +1445,34 @@
       }
     },
     "taskgroup": {
-      "version": "7.17.0",
-      "resolved": "https://registry.npmjs.org/taskgroup/-/taskgroup-7.17.0.tgz",
-      "integrity": "sha512-pcU4o71C02CKEVIzFc1kTHPB5u8kKPkbygayzsDMGPuH8JyN/QexpPM9BJGkergHj4+Wj67pBDIubHl90zkQ0A==",
+      "version": "8.0.0",
+      "resolved": "https://registry.npmjs.org/taskgroup/-/taskgroup-8.0.0.tgz",
+      "integrity": "sha512-tyE2DZMwIWJb0sq8aYq6NiDe3vhiaoeTfMoSwbaohMnG29Wj2/BK4aHuP1/MKamJvJSZbNqY+qJVs+9aa5iQzw==",
       "requires": {
         "ambi": "3.2.0",
         "eachr": "^4.5.0",
-        "extendr": "^5.16.0",
-        "unbounded": "^3.12.0"
+        "extendr": "^6.0.0",
+        "unbounded": "^4.0.0"
+      },
+      "dependencies": {
+        "extendr": {
+          "version": "6.0.0",
+          "resolved": "https://registry.npmjs.org/extendr/-/extendr-6.0.0.tgz",
+          "integrity": "sha512-SR6g9GfJDc9AIIGVPo0c3EYpGevmZl40GnVxO+bp7FC5yyh4dD6PaguLq2YjDpBCrPSkZMkB3qIr8JjjPYGZSw==",
+          "requires": {
+            "typechecker": "^7.18.0"
+          }
+        },
+        "typechecker": {
+          "version": "7.18.0",
+          "resolved": "https://registry.npmjs.org/typechecker/-/typechecker-7.18.0.tgz",
+          "integrity": "sha512-GjwqmuBuIQOvy0VsuMyjxur1hop/mLgKby61izt4UpT3Knm/7qzXAxpQHVhLK7bgmZjIj9GtIBmh1FMnyEDVBw=="
+        },
+        "unbounded": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/unbounded/-/unbounded-4.0.0.tgz",
+          "integrity": "sha512-fxxoPR52EY6/C5nc8Q2TbI0np/0HJ8z/QeLAK0l6t2VixsWKVU3UFKoby5XUElH7QXupFKDxKlv23uIapCJFYA=="
+        }
       }
     },
     "textextensions": {
@@ -1496,7 +1516,8 @@
     "unbounded": {
       "version": "3.13.0",
       "resolved": "https://registry.npmjs.org/unbounded/-/unbounded-3.13.0.tgz",
-      "integrity": "sha512-biPOTr/SqIpqcpRC4czLMuPIWJ1H27w6/BUjv7tGTBappz8Ekiw9mHk1iOOTNNkzvaNLJj5TXiHIuLpkQPdXdw=="
+      "integrity": "sha512-biPOTr/SqIpqcpRC4czLMuPIWJ1H27w6/BUjv7tGTBappz8Ekiw9mHk1iOOTNNkzvaNLJj5TXiHIuLpkQPdXdw==",
+      "dev": true
     },
     "underscore": {
       "version": "1.11.0",
diff --git a/package.json b/package.json
index 2582758..55fbdfb 100644
--- a/package.json
+++ b/package.json
@@ -104,7 +104,7 @@
   "main": "edition-esnext/index.js",
   "dependencies": {
     "docpad-baseplugin": "^1.4.0",
-    "taskgroup": "^7.17.0"
+    "taskgroup": "^8.0.0"
   },
   "devDependencies": {
     "@bevry/update-contributors": "^1.18.0",