diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index e4ef005..ea9f72e 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -43,8 +43,8 @@ catalogs:
       specifier: 4.22.4
       version: 4.22.4
     typescript:
-      specifier: 5.9.3
-      version: 5.9.3
+      specifier: 6.0.3
+      version: 6.0.3
     vitest:
       specifier: 4.1.8
       version: 4.1.8
@@ -61,13 +61,13 @@ importers:
         version: 22.19.19
       tsdown:
         specifier: 'catalog:'
-        version: 0.22.1(tsx@4.22.4)(typescript@5.9.3)
+        version: 0.22.1(tsx@4.22.4)(typescript@6.0.3)
       tsx:
         specifier: 'catalog:'
         version: 4.22.4
       typescript:
         specifier: 'catalog:'
-        version: 5.9.3
+        version: 6.0.3
       vitest:
         specifier: 'catalog:'
         version: 4.1.8(@types/node@22.19.19)(vite@8.0.16(@types/node@22.19.19)(esbuild@0.28.0)(tsx@4.22.4))
@@ -1370,8 +1370,8 @@ packages:
     engines: {node: '>=18.0.0'}
     hasBin: true
 
-  typescript@5.9.3:
-    resolution: {integrity: sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==}
+  typescript@6.0.3:
+    resolution: {integrity: sha512-y2TvuxSZPDyQakkFRPZHKFm+KKVqIisdg9/CZwm9ftvKXLP8NRWj38/ODjNbr43SsoXqNuAisEf1GdCxqWcdBw==}
     engines: {node: '>=14.17'}
     hasBin: true
 
@@ -2449,7 +2449,7 @@ snapshots:
     dependencies:
       glob: 7.2.3
 
-  rolldown-plugin-dts@0.25.2(rolldown@1.0.3)(typescript@5.9.3):
+  rolldown-plugin-dts@0.25.2(rolldown@1.0.3)(typescript@6.0.3):
     dependencies:
       '@babel/generator': 8.0.0-rc.6
       '@babel/helper-validator-identifier': 8.0.0-rc.6
@@ -2461,7 +2461,7 @@ snapshots:
       obug: 2.1.1
       rolldown: 1.0.3
     optionalDependencies:
-      typescript: 5.9.3
+      typescript: 6.0.3
     transitivePeerDependencies:
       - oxc-resolver
 
@@ -2568,7 +2568,7 @@ snapshots:
 
   tree-kill@1.2.2: {}
 
-  tsdown@0.22.1(tsx@4.22.4)(typescript@5.9.3):
+  tsdown@0.22.1(tsx@4.22.4)(typescript@6.0.3):
     dependencies:
       ansis: 4.3.1
       cac: 7.0.0
@@ -2579,7 +2579,7 @@ snapshots:
       obug: 2.1.1
       picomatch: 4.0.4
       rolldown: 1.0.3
-      rolldown-plugin-dts: 0.25.2(rolldown@1.0.3)(typescript@5.9.3)
+      rolldown-plugin-dts: 0.25.2(rolldown@1.0.3)(typescript@6.0.3)
       semver: 7.8.1
       tinyexec: 1.2.4
       tinyglobby: 0.2.17
@@ -2587,7 +2587,7 @@ snapshots:
       unconfig-core: 7.5.0
     optionalDependencies:
       tsx: 4.22.4
-      typescript: 5.9.3
+      typescript: 6.0.3
     transitivePeerDependencies:
       - '@ts-macro/tsc'
       - '@typescript/native-preview'
@@ -2603,7 +2603,7 @@ snapshots:
     optionalDependencies:
       fsevents: 2.3.3
 
-  typescript@5.9.3: {}
+  typescript@6.0.3: {}
 
   unconfig-core@7.5.0:
     dependencies:
diff --git a/pnpm-workspace.yaml b/pnpm-workspace.yaml
index 0df0686..dfbc5f7 100644
--- a/pnpm-workspace.yaml
+++ b/pnpm-workspace.yaml
@@ -20,7 +20,7 @@ catalog:
   systeminformation: 5.31.7
   tsdown: 0.22.1
   tsx: 4.22.4
-  typescript: 5.9.3
+  typescript: 6.0.3
   vitest: 4.1.8
 
 # @tensorflow/tfjs-node はネイティブアドオン（libtensorflow + node-gyp ビルド）を持つ。