diff --git a/package.json b/package.json
index 455119e..32bde6f 100644
--- a/package.json
+++ b/package.json
@@ -11,8 +11,8 @@
     "astro": "astro"
   },
   "dependencies": {
-    "@astrojs/check": "^0.9.10",
-    "@astrojs/sitemap": "3.1.6",
+    "@astrojs/check": "^0.5.10",
+    "@astrojs/sitemap": "3.7.3",
     "@astrojs/starlight": "^0.21.5",
     "@astrojs/starlight-tailwind": "^2.0.3",
     "@astrojs/tailwind": "^5.1.5",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 505ec36..dc8e619 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -12,8 +12,8 @@ importers:
         specifier: ^0.9.10
         version: 0.9.10(prettier-plugin-astro@0.13.0)(prettier@3.9.6)(typescript@5.9.3)
       '@astrojs/sitemap':
-        specifier: 3.1.6
-        version: 3.1.6
+        specifier: 3.7.3
+        version: 3.7.3
       '@astrojs/starlight':
         specifier: ^0.21.5
         version: 0.21.5(astro@4.16.19(@types/node@24.13.3)(rollup@4.63.0)(typescript@5.9.3))
@@ -129,8 +129,8 @@ packages:
     resolution: {integrity: sha512-q8VwfU/fDZNoDOf+r7jUnMC2//H2l0TuQ6FkGJL8vD8nw/q5KiL3DS1KKBI3QhI9UQhpJ5dc7AtqfbXWuOgLCQ==}
     engines: {node: 18.20.8 || ^20.3.0 || >=22.0.0}
 
-  '@astrojs/sitemap@3.1.6':
-    resolution: {integrity: sha512-1Qp2NvAzVImqA6y+LubKi1DVhve/hXXgFvB0szxiipzh7BvtuKe4oJJ9dXSqaubaTkt4nMa6dv6RCCAYeB6xaQ==}
+  '@astrojs/sitemap@3.7.3':
+    resolution: {integrity: sha512-f8euLVsyeAmAkSm/1M2Kb8sL8byQmfgbvBNaHFItCheTj/IpiJYSEWVcqDHZ/yEHxiS7+w87mQkzwZaPHmk5GA==}
 
   '@astrojs/starlight-tailwind@2.0.3':
     resolution: {integrity: sha512-ZwbdXS/9rxYlo3tKZoTZoBPUnaaqek02b341dHwOkmMT0lIR2w+8k0mRUGxnRaYtPdMcaL+nYFd8RUa8sjdyRg==}
@@ -1008,9 +1008,6 @@ packages:
   '@types/nlcst@2.0.3':
     resolution: {integrity: sha512-vSYNSDe6Ix3q+6Z7ri9lyWqgGhJTmzRjZRqyq15N0Z/1/UnVsno9G/N40NBijoYx2seFDIl0+B2mgAb9mezUCA==}
 
-  '@types/node@17.0.45':
-    resolution: {integrity: sha512-w+tIMs3rq2afQdsPJlODhoUEKzFP1ayaoyl1CcnwtIlsVe7K7bA1NGm4s3PraqTLlXnbIN84zuBlxBWo1u9BLw==}
-
   '@types/node@24.13.3':
     resolution: {integrity: sha512-Dh8vAsV36ig5wa9OX4pXvMc9D3Veibfw2wix0CUwYODLD8nkj9UsLjASr49nPg+2eKzxhBV+v7L8pXvT4e639Q==}
 
@@ -2484,9 +2481,9 @@ packages:
   sisteransi@1.0.5:
     resolution: {integrity: sha512-bLGGlR1QxBcynn2d5YmDX4MGjlZvy2MRBDRNHLJ8VI6l6+9FUiyTFNJ0IveOSP0bcXgVDPRcfGqA0pjaqUpfVg==}
 
-  sitemap@7.1.3:
-    resolution: {integrity: sha512-tAjEd+wt/YwnEbfNB2ht51ybBJxbEWwe5ki/Z//Wh0rpBFTCUSj46GnxUKEWzhfuJTsee8x3lybHxFgUMig2hw==}
-    engines: {node: '>=12.0.0', npm: '>=5.6.0'}
+  sitemap@9.0.1:
+    resolution: {integrity: sha512-S6hzjGJSG3d6if0YoF5kTyeRJvia6FSTBroE5fQ0bu1QNxyJqhhinfUsXi9fH3MgtXODWvwo2BDyQSnhPQ88uQ==}
+    engines: {node: '>=20.19.5', npm: '>=10.8.2'}
     hasBin: true
 
   slash@5.1.0:
@@ -2959,6 +2956,9 @@ packages:
   zod@3.25.76:
     resolution: {integrity: sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==}
 
+  zod@4.5.1:
+    resolution: {integrity: sha512-P3GqeAEOEDqKvafVGLezbg+39YW/ze4xrD4qdS0adOY8eoI3zfjv1PQM4UwQzgT8mZKXEbqtVt8K+ZKGqkMFKg==}
+
   zwitch@2.0.4:
     resolution: {integrity: sha512-bXE4cR/kVZhKZX/RjPEflHaKVhUVl85noU3v6b8apfQEc1x4A+zBxjZ4lN8LqGd6WZ3dl98pY4o717VFmoPp+A==}
 
@@ -3402,11 +3402,11 @@ snapshots:
     dependencies:
       prismjs: 1.30.0
 
-  '@astrojs/sitemap@3.1.6':
+  '@astrojs/sitemap@3.7.3':
     dependencies:
-      sitemap: 7.1.3
+      sitemap: 9.0.1
       stream-replace-string: 2.0.0
-      zod: 3.25.76
+      zod: 4.5.1
 
   '@astrojs/starlight-tailwind@2.0.3(@astrojs/starlight@0.21.5(astro@4.16.19(@types/node@24.13.3)(rollup@4.63.0)(typescript@5.9.3)))(@astrojs/tailwind@5.1.5(astro@4.16.19(@types/node@24.13.3)(rollup@4.63.0)(typescript@5.9.3))(tailwindcss@3.4.19(yaml@2.9.0)))(tailwindcss@3.4.19(yaml@2.9.0))':
     dependencies:
@@ -3417,7 +3417,7 @@ snapshots:
   '@astrojs/starlight@0.21.5(astro@4.16.19(@types/node@24.13.3)(rollup@4.63.0)(typescript@5.9.3))':
     dependencies:
       '@astrojs/mdx': 2.3.1(astro@4.16.19(@types/node@24.13.3)(rollup@4.63.0)(typescript@5.9.3))
-      '@astrojs/sitemap': 3.1.6
+      '@astrojs/sitemap': 3.7.3
       '@pagefind/default-ui': 1.5.2
       '@types/hast': 3.0.5
       '@types/mdast': 4.0.4
@@ -4166,8 +4166,6 @@ snapshots:
     dependencies:
       '@types/unist': 3.0.3
 
-  '@types/node@17.0.45': {}
-
   '@types/node@24.13.3':
     dependencies:
       undici-types: 7.18.2
@@ -6223,9 +6221,9 @@ snapshots:
 
   sisteransi@1.0.5: {}
 
-  sitemap@7.1.3:
+  sitemap@9.0.1:
     dependencies:
-      '@types/node': 17.0.45
+      '@types/node': 24.13.3
       '@types/sax': 1.2.7
       arg: 5.0.2
       sax: 1.6.1
@@ -6730,4 +6728,6 @@ snapshots:
 
   zod@3.25.76: {}
 
+  zod@4.5.1: {}
+
   zwitch@2.0.4: {}