diff --git a/package.json b/package.json
index 202bb18..b4da4b4 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "prepublishOnly": "npm run -s build"
   },
   "devDependencies": {
-    "@sindresorhus/tsconfig": "5.1.1",
+    "@sindresorhus/tsconfig": "6.0.0",
     "prettier": "3.3.2",
     "typescript": "5.5.2"
   },
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 9c53256..d78afd5 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -6,8 +6,8 @@ settings:
 
 devDependencies:
   '@sindresorhus/tsconfig':
-    specifier: 5.1.1
-    version: 5.1.1
+    specifier: 6.0.0
+    version: 6.0.0
   prettier:
     specifier: 3.3.2
     version: 3.3.2
@@ -17,8 +17,8 @@ devDependencies:
 
 packages:
 
-  /@sindresorhus/tsconfig@5.1.1:
-    resolution: {integrity: sha512-+2oF5II0d+0qKykD4GoM6hak0fpBgBMlQjpMF/xKReztc9MTMeldESdbhHo0rI/Iq3cEuhPy4/RStYbVFtWfog==}
+  /@sindresorhus/tsconfig@6.0.0:
+    resolution: {integrity: sha512-+fUdfuDd/7O2OZ9/UvJy76IEWn2Tpvm2l+rwUoS2Yz4jCUTSNOQQv2PLWrwekt8cPLwHmpHaBpay34bkBmVl2Q==}
     engines: {node: '>=18'}
     dev: true