diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 240fced012..aa2c3ca611 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -104,7 +104,7 @@ importers:
         version: 15.1.0(rollup@3.26.2)
       '@sveltejs/eslint-config':
         specifier: ^6.0.4
-        version: 6.0.4(@typescript-eslint/eslint-plugin@6.0.0)(@typescript-eslint/parser@6.0.0)(eslint-config-prettier@8.8.0)(eslint-plugin-svelte@2.32.2)(eslint-plugin-unicorn@47.0.0)(eslint@8.44.0)(typescript@5.1.3)
+        version: 6.0.4(@typescript-eslint/eslint-plugin@5.60.0)(@typescript-eslint/parser@6.0.0)(eslint-config-prettier@8.8.0)(eslint-plugin-svelte@2.32.2)(eslint-plugin-unicorn@47.0.0)(eslint@8.44.0)(typescript@5.1.3)
       '@types/aria-query':
         specifier: ^5.0.1
         version: 5.0.1
@@ -185,8 +185,8 @@ importers:
         specifier: ^1.22.2
         version: 1.22.2(svelte@packages+svelte)(vite@4.4.3)
       '@sveltejs/site-kit':
-        specifier: 6.0.0-next.20
-        version: 6.0.0-next.20(@sveltejs/kit@1.22.2)(svelte@packages+svelte)
+        specifier: 6.0.0-next.21
+        version: 6.0.0-next.21(@sveltejs/kit@1.22.2)(svelte@packages+svelte)
       '@sveltejs/vite-plugin-svelte':
         specifier: ^2.4.2
         version: 2.4.2(svelte@packages+svelte)(vite@4.4.3)
@@ -1725,7 +1725,7 @@ packages:
       - supports-color
     dev: true
 
-  /@sveltejs/eslint-config@6.0.4(@typescript-eslint/eslint-plugin@6.0.0)(@typescript-eslint/parser@6.0.0)(eslint-config-prettier@8.8.0)(eslint-plugin-svelte@2.32.2)(eslint-plugin-unicorn@47.0.0)(eslint@8.44.0)(typescript@5.1.3):
+  /@sveltejs/eslint-config@6.0.4(@typescript-eslint/eslint-plugin@5.60.0)(@typescript-eslint/parser@6.0.0)(eslint-config-prettier@8.8.0)(eslint-plugin-svelte@2.32.2)(eslint-plugin-unicorn@47.0.0)(eslint@8.44.0)(typescript@5.1.3):
     resolution: {integrity: sha512-U9pwmDs+DbmsnCgTfu6Bacdwqn0DuI1IQNSiQqTgzVyYfaaj+zy9ZoQCiJfxFBGXHkklyXuRHp0KMx346N0lcQ==}
     peerDependencies:
       '@typescript-eslint/eslint-plugin': '>= 5'
@@ -1736,7 +1736,7 @@ packages:
       eslint-plugin-unicorn: '>= 47'
       typescript: '>= 4'
     dependencies:
-      '@typescript-eslint/eslint-plugin': 6.0.0(@typescript-eslint/parser@6.0.0)(eslint@8.44.0)(typescript@5.1.3)
+      '@typescript-eslint/eslint-plugin': 5.60.0(@typescript-eslint/parser@6.0.0)(eslint@8.44.0)(typescript@5.1.3)
       '@typescript-eslint/parser': 6.0.0(eslint@8.44.0)(typescript@5.1.3)
       eslint: 8.44.0
       eslint-config-prettier: 8.8.0(eslint@8.44.0)
@@ -1822,8 +1822,8 @@ packages:
       svelte-local-storage-store: 0.4.0(svelte@packages+svelte)
     dev: false
 
-  /@sveltejs/site-kit@6.0.0-next.20(@sveltejs/kit@1.22.2)(svelte@packages+svelte):
-    resolution: {integrity: sha512-tWT/pKdCFxY+Wsayoj287AcNOYsm0EW5fiOsSSVseEK+62R1KcWHcioSgm1Fk12HOUgFcYnskaJ9JOo+p7+9/w==}
+  /@sveltejs/site-kit@6.0.0-next.21(@sveltejs/kit@1.22.2)(svelte@packages+svelte):
+    resolution: {integrity: sha512-Zt0rrgVnpDAe0bX5xKbjfxM3EoiVL+cfr5WFuDpTnUHWqPfgLu2FMxnMWY6fyFurNh/Q4UfDwVF68eQUdXLDWg==}
     peerDependencies:
       '@sveltejs/kit': ^1.20.0
       svelte: ^4.0.0
@@ -2002,12 +2002,12 @@ packages:
       - supports-color
     dev: true
 
-  /@typescript-eslint/eslint-plugin@6.0.0(@typescript-eslint/parser@6.0.0)(eslint@8.44.0)(typescript@5.1.3):
-    resolution: {integrity: sha512-xuv6ghKGoiq856Bww/yVYnXGsKa588kY3M0XK7uUW/3fJNNULKRfZfSBkMTSpqGG/8ZCXCadfh8G/z/B4aqS/A==}
-    engines: {node: ^16.0.0 || >=18.0.0}
+  /@typescript-eslint/eslint-plugin@5.60.0(@typescript-eslint/parser@6.0.0)(eslint@8.44.0)(typescript@5.1.3):
+    resolution: {integrity: sha512-78B+anHLF1TI8Jn/cD0Q00TBYdMgjdOn980JfAVa9yw5sop8nyTfVOQAv6LWywkOGLclDBtv5z3oxN4w7jxyNg==}
+    engines: {node: ^12.22.0 || ^14.17.0 || >=16.0.0}
     peerDependencies:
-      '@typescript-eslint/parser': ^6.0.0 || ^6.0.0-alpha
-      eslint: ^7.0.0 || ^8.0.0
+      '@typescript-eslint/parser': ^5.0.0
+      eslint: ^6.0.0 || ^7.0.0 || ^8.0.0
       typescript: '*'
     peerDependenciesMeta:
       typescript:
@@ -2015,19 +2015,16 @@ packages:
     dependencies:
       '@eslint-community/regexpp': 4.5.1
       '@typescript-eslint/parser': 6.0.0(eslint@8.44.0)(typescript@5.1.3)
-      '@typescript-eslint/scope-manager': 6.0.0
-      '@typescript-eslint/type-utils': 6.0.0(eslint@8.44.0)(typescript@5.1.3)
-      '@typescript-eslint/utils': 6.0.0(eslint@8.44.0)(typescript@5.1.3)
-      '@typescript-eslint/visitor-keys': 6.0.0
+      '@typescript-eslint/scope-manager': 5.60.0
+      '@typescript-eslint/type-utils': 5.60.0(eslint@8.44.0)(typescript@5.1.3)
+      '@typescript-eslint/utils': 5.60.0(eslint@8.44.0)(typescript@5.1.3)
       debug: 4.3.4
       eslint: 8.44.0
       grapheme-splitter: 1.0.4
-      graphemer: 1.4.0
       ignore: 5.2.4
-      natural-compare: 1.4.0
       natural-compare-lite: 1.4.0
-      semver: 7.5.4
-      ts-api-utils: 1.0.1(typescript@5.1.3)
+      semver: 7.5.3
+      tsutils: 3.21.0(typescript@5.1.3)
       typescript: 5.1.3
     transitivePeerDependencies:
       - supports-color
@@ -2098,7 +2095,7 @@ packages:
       '@typescript-eslint/visitor-keys': 6.0.0
     dev: true
 
-  /@typescript-eslint/type-utils@5.60.0(eslint@8.44.0)(typescript@5.1.6):
+  /@typescript-eslint/type-utils@5.60.0(eslint@8.44.0)(typescript@5.1.3):
     resolution: {integrity: sha512-X7NsRQddORMYRFH7FWo6sA9Y/zbJ8s1x1RIAtnlj6YprbToTiQnM6vxcMu7iYhdunmoC0rUWlca13D5DVHkK2g==}
     engines: {node: ^12.22.0 || ^14.17.0 || >=16.0.0}
     peerDependencies:
@@ -2108,32 +2105,32 @@ packages:
       typescript:
         optional: true
     dependencies:
-      '@typescript-eslint/typescript-estree': 5.60.0(typescript@5.1.6)
-      '@typescript-eslint/utils': 5.60.0(eslint@8.44.0)(typescript@5.1.6)
+      '@typescript-eslint/typescript-estree': 5.60.0(typescript@5.1.3)
+      '@typescript-eslint/utils': 5.60.0(eslint@8.44.0)(typescript@5.1.3)
       debug: 4.3.4
       eslint: 8.44.0
-      tsutils: 3.21.0(typescript@5.1.6)
-      typescript: 5.1.6
+      tsutils: 3.21.0(typescript@5.1.3)
+      typescript: 5.1.3
     transitivePeerDependencies:
       - supports-color
     dev: true
 
-  /@typescript-eslint/type-utils@6.0.0(eslint@8.44.0)(typescript@5.1.3):
-    resolution: {integrity: sha512-ah6LJvLgkoZ/pyJ9GAdFkzeuMZ8goV6BH7eC9FPmojrnX9yNCIsfjB+zYcnex28YO3RFvBkV6rMV6WpIqkPvoQ==}
-    engines: {node: ^16.0.0 || >=18.0.0}
+  /@typescript-eslint/type-utils@5.60.0(eslint@8.44.0)(typescript@5.1.6):
+    resolution: {integrity: sha512-X7NsRQddORMYRFH7FWo6sA9Y/zbJ8s1x1RIAtnlj6YprbToTiQnM6vxcMu7iYhdunmoC0rUWlca13D5DVHkK2g==}
+    engines: {node: ^12.22.0 || ^14.17.0 || >=16.0.0}
     peerDependencies:
-      eslint: ^7.0.0 || ^8.0.0
+      eslint: '*'
       typescript: '*'
     peerDependenciesMeta:
       typescript:
         optional: true
     dependencies:
-      '@typescript-eslint/typescript-estree': 6.0.0(typescript@5.1.3)
-      '@typescript-eslint/utils': 6.0.0(eslint@8.44.0)(typescript@5.1.3)
+      '@typescript-eslint/typescript-estree': 5.60.0(typescript@5.1.6)
+      '@typescript-eslint/utils': 5.60.0(eslint@8.44.0)(typescript@5.1.6)
       debug: 4.3.4
       eslint: 8.44.0
-      ts-api-utils: 1.0.1(typescript@5.1.3)
-      typescript: 5.1.3
+      tsutils: 3.21.0(typescript@5.1.6)
+      typescript: 5.1.6
     transitivePeerDependencies:
       - supports-color
     dev: true
@@ -2153,6 +2150,27 @@ packages:
     engines: {node: ^16.0.0 || >=18.0.0}
     dev: true
 
+  /@typescript-eslint/typescript-estree@5.60.0(typescript@5.1.3):
+    resolution: {integrity: sha512-R43thAuwarC99SnvrBmh26tc7F6sPa2B3evkXp/8q954kYL6Ro56AwASYWtEEi+4j09GbiNAHqYwNNZuNlARGQ==}
+    engines: {node: ^12.22.0 || ^14.17.0 || >=16.0.0}
+    peerDependencies:
+      typescript: '*'
+    peerDependenciesMeta:
+      typescript:
+        optional: true
+    dependencies:
+      '@typescript-eslint/types': 5.60.0
+      '@typescript-eslint/visitor-keys': 5.60.0
+      debug: 4.3.4
+      globby: 11.1.0
+      is-glob: 4.0.3
+      semver: 7.5.3
+      tsutils: 3.21.0(typescript@5.1.3)
+      typescript: 5.1.3
+    transitivePeerDependencies:
+      - supports-color
+    dev: true
+
   /@typescript-eslint/typescript-estree@5.60.0(typescript@5.1.6):
     resolution: {integrity: sha512-R43thAuwarC99SnvrBmh26tc7F6sPa2B3evkXp/8q954kYL6Ro56AwASYWtEEi+4j09GbiNAHqYwNNZuNlARGQ==}
     engines: {node: ^12.22.0 || ^14.17.0 || >=16.0.0}
@@ -2216,7 +2234,7 @@ packages:
       - supports-color
     dev: true
 
-  /@typescript-eslint/utils@5.60.0(eslint@8.44.0)(typescript@5.1.6):
+  /@typescript-eslint/utils@5.60.0(eslint@8.44.0)(typescript@5.1.3):
     resolution: {integrity: sha512-ba51uMqDtfLQ5+xHtwlO84vkdjrqNzOnqrnwbMHMRY8Tqeme8C2Q8Fc7LajfGR+e3/4LoYiWXUM6BpIIbHJ4hQ==}
     engines: {node: ^12.22.0 || ^14.17.0 || >=16.0.0}
     peerDependencies:
@@ -2227,7 +2245,7 @@ packages:
       '@types/semver': 7.5.0
       '@typescript-eslint/scope-manager': 5.60.0
       '@typescript-eslint/types': 5.60.0
-      '@typescript-eslint/typescript-estree': 5.60.0(typescript@5.1.6)
+      '@typescript-eslint/typescript-estree': 5.60.0(typescript@5.1.3)
       eslint: 8.44.0
       eslint-scope: 5.1.1
       semver: 7.5.3
@@ -2236,21 +2254,21 @@ packages:
       - typescript
     dev: true
 
-  /@typescript-eslint/utils@6.0.0(eslint@8.44.0)(typescript@5.1.3):
-    resolution: {integrity: sha512-SOr6l4NB6HE4H/ktz0JVVWNXqCJTOo/mHnvIte1ZhBQ0Cvd04x5uKZa3zT6tiodL06zf5xxdK8COiDvPnQ27JQ==}
-    engines: {node: ^16.0.0 || >=18.0.0}
+  /@typescript-eslint/utils@5.60.0(eslint@8.44.0)(typescript@5.1.6):
+    resolution: {integrity: sha512-ba51uMqDtfLQ5+xHtwlO84vkdjrqNzOnqrnwbMHMRY8Tqeme8C2Q8Fc7LajfGR+e3/4LoYiWXUM6BpIIbHJ4hQ==}
+    engines: {node: ^12.22.0 || ^14.17.0 || >=16.0.0}
     peerDependencies:
-      eslint: ^7.0.0 || ^8.0.0
+      eslint: ^6.0.0 || ^7.0.0 || ^8.0.0
     dependencies:
       '@eslint-community/eslint-utils': 4.4.0(eslint@8.44.0)
       '@types/json-schema': 7.0.12
       '@types/semver': 7.5.0
-      '@typescript-eslint/scope-manager': 6.0.0
-      '@typescript-eslint/types': 6.0.0
-      '@typescript-eslint/typescript-estree': 6.0.0(typescript@5.1.3)
+      '@typescript-eslint/scope-manager': 5.60.0
+      '@typescript-eslint/types': 5.60.0
+      '@typescript-eslint/typescript-estree': 5.60.0(typescript@5.1.6)
       eslint: 8.44.0
       eslint-scope: 5.1.1
-      semver: 7.5.4
+      semver: 7.5.3
     transitivePeerDependencies:
       - supports-color
       - typescript
@@ -6298,6 +6316,16 @@ packages:
     resolution: {integrity: sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg==}
     dev: true
 
+  /tsutils@3.21.0(typescript@5.1.3):
+    resolution: {integrity: sha512-mHKK3iUXL+3UF6xL5k0PEhKRUBKPBCv/+RkEOpjRWxxx27KKRBmmA60A9pgOUvMi8GKhRMPEmjBRPzs2W7O1OA==}
+    engines: {node: '>= 6'}
+    peerDependencies:
+      typescript: '>=2.8.0 || >= 3.2.0-dev || >= 3.3.0-dev || >= 3.4.0-dev || >= 3.5.0-dev || >= 3.6.0-dev || >= 3.6.0-beta || >= 3.7.0-dev || >= 3.7.0-beta'
+    dependencies:
+      tslib: 1.14.1
+      typescript: 5.1.3
+    dev: true
+
   /tsutils@3.21.0(typescript@5.1.6):
     resolution: {integrity: sha512-mHKK3iUXL+3UF6xL5k0PEhKRUBKPBCv/+RkEOpjRWxxx27KKRBmmA60A9pgOUvMi8GKhRMPEmjBRPzs2W7O1OA==}
     engines: {node: '>= 6'}
diff --git a/sites/svelte.dev/package.json b/sites/svelte.dev/package.json
index 31a9199374..82d54fdc88 100644
--- a/sites/svelte.dev/package.json
+++ b/sites/svelte.dev/package.json
@@ -30,7 +30,7 @@
     "@resvg/resvg-js": "^2.4.1",
     "@sveltejs/adapter-vercel": "^3.0.2",
     "@sveltejs/kit": "^1.22.2",
-    "@sveltejs/site-kit": "6.0.0-next.20",
+    "@sveltejs/site-kit": "6.0.0-next.21",
     "@sveltejs/vite-plugin-svelte": "^2.4.2",
     "@types/cookie": "^0.5.1",
     "@types/marked": "^5.0.0",