diff --git a/package.json b/package.json
index d45e8f6..0252bc8 100644
--- a/package.json
+++ b/package.json
@@ -72,7 +72,7 @@
     "rollup-plugin-dts": "^6.2.1",
     "rollup-plugin-esbuild": "^6.2.1",
     "sinon": "^21.0.0",
-    "typescript": "^5.8.3"
+    "typescript": "^5.9.2"
   },
   "keywords": [
     "http",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index b50398e..40dd9c5 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -77,7 +77,7 @@ importers:
         version: 1.0.3
       rollup-plugin-dts:
         specifier: ^6.2.1
-        version: 6.2.1(rollup@4.46.2)(typescript@5.8.3)
+        version: 6.2.1(rollup@4.46.2)(typescript@5.9.2)
       rollup-plugin-esbuild:
         specifier: ^6.2.1
         version: 6.2.1(esbuild@0.25.5)(rollup@4.46.2)
@@ -85,8 +85,8 @@ importers:
         specifier: ^21.0.0
         version: 21.0.0
       typescript:
-        specifier: ^5.8.3
-        version: 5.8.3
+        specifier: ^5.9.2
+        version: 5.9.2
 
 packages:
 
@@ -1825,8 +1825,8 @@ packages:
   typed-query-selector@2.12.0:
     resolution: {integrity: sha512-SbklCd1F0EiZOyPiW192rrHZzZ5sBijB6xM+cpmrwDqObvdtunOHHIk9fCGsoK5JVIYXoyEp4iEdE3upFH3PAg==}
 
-  typescript@5.8.3:
-    resolution: {integrity: sha512-p1diW6TqL9L07nNxvRMM7hMMw4c5XOo/1ibL4aAIGmSAt9slTE1Xgw5KWuof2uTOvCg9BY7ZRi+GaF+7sfgPeQ==}
+  typescript@5.9.2:
+    resolution: {integrity: sha512-CWBzXQrc/qOkhidw1OzBTQuYRbfyxDXJMVJ1XNwUHGROVmuaeiEm3OslpZ1RV96d7SKKjZKrSJu3+t/xlw3R9A==}
     engines: {node: '>=14.17'}
     hasBin: true
 
@@ -3525,11 +3525,11 @@ snapshots:
       chalk: 1.1.3
       maxmin: 2.1.0
 
-  rollup-plugin-dts@6.2.1(rollup@4.46.2)(typescript@5.8.3):
+  rollup-plugin-dts@6.2.1(rollup@4.46.2)(typescript@5.9.2):
     dependencies:
       magic-string: 0.30.17
       rollup: 4.46.2
-      typescript: 5.8.3
+      typescript: 5.9.2
     optionalDependencies:
       '@babel/code-frame': 7.27.1
 
@@ -3794,7 +3794,7 @@ snapshots:
 
   typed-query-selector@2.12.0: {}
 
-  typescript@5.8.3: {}
+  typescript@5.9.2: {}
 
   typical@4.0.0: {}