diff --git a/package.json b/package.json
index fc97f87..80a5dbe 100644
--- a/package.json
+++ b/package.json
@@ -80,7 +80,7 @@
     "pixelmatch": "^7.1.0",
     "pngjs": "^7.0.0",
     "tsup": "^8.5.0",
-    "typescript": "^5.9.2",
+    "typescript": "^6.0.2",
     "vitest": "^4.0.0"
   },
   "packageManager": "pnpm@10.30.3"
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 10a410f..2cdffaa 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -32,10 +32,10 @@ importers:
         version: 7.0.0
       tsup:
         specifier: ^8.5.0
-        version: 8.5.1(postcss@8.5.8)(typescript@5.9.3)
+        version: 8.5.1(postcss@8.5.8)(typescript@6.0.2)
       typescript:
-        specifier: ^5.9.2
-        version: 5.9.3
+        specifier: ^6.0.2
+        version: 6.0.2
       vitest:
         specifier: ^4.0.0
         version: 4.1.1(@types/node@25.5.0)(jsdom@27.4.0)(vite@8.0.2(@types/node@25.5.0)(esbuild@0.27.4))
@@ -1055,8 +1055,8 @@ packages:
       typescript:
         optional: true
 
-  typescript@5.9.3:
-    resolution: {integrity: sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==}
+  typescript@6.0.2:
+    resolution: {integrity: sha512-bGdAIrZ0wiGDo5l8c++HWtbaNCWTS4UTv7RaTH/ThVIgjkveJt83m74bBHMJkuCbslY8ixgLBVZJIOiQlQTjfQ==}
     engines: {node: '>=14.17'}
     hasBin: true
 
@@ -2007,7 +2007,7 @@ snapshots:
   tslib@2.8.1:
     optional: true
 
-  tsup@8.5.1(postcss@8.5.8)(typescript@5.9.3):
+  tsup@8.5.1(postcss@8.5.8)(typescript@6.0.2):
     dependencies:
       bundle-require: 5.1.0(esbuild@0.27.4)
       cac: 6.7.14
@@ -2028,14 +2028,14 @@ snapshots:
       tree-kill: 1.2.2
     optionalDependencies:
       postcss: 8.5.8
-      typescript: 5.9.3
+      typescript: 6.0.2
     transitivePeerDependencies:
       - jiti
       - supports-color
       - tsx
       - yaml
 
-  typescript@5.9.3: {}
+  typescript@6.0.2: {}
 
   ufo@1.6.3: {}