diff --git a/package.json b/package.json
index f2defe9d..73145fe5 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "nock": "13.5.5",
     "prettier": "3.3.3",
     "tsup": "8.3.0",
-    "typescript": "5.6.2",
+    "typescript": "5.9.2",
     "vitest": "2.1.1"
   },
   "engines": {
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 18f99df5..374c9b84 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -21,10 +21,10 @@ devDependencies:
     version: 3.3.3
   tsup:
     specifier: 8.3.0
-    version: 8.3.0(typescript@5.6.2)
+    version: 8.3.0(typescript@5.9.2)
   typescript:
-    specifier: 5.6.2
-    version: 5.6.2
+    specifier: 5.9.2
+    version: 5.9.2
   vitest:
     specifier: 2.1.1
     version: 2.1.1
@@ -3057,7 +3057,7 @@ packages:
     resolution: {integrity: sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg==}
     dev: false
 
-  /tsup@8.3.0(typescript@5.6.2):
+  /tsup@8.3.0(typescript@5.9.2):
     resolution: {integrity: sha512-ALscEeyS03IomcuNdFdc0YWGVIkwH1Ws7nfTbAPuoILvEV2hpGQAY72LIOjglGo4ShWpZfpBqP/jpQVCzqYQag==}
     engines: {node: '>=18'}
     hasBin: true
@@ -3092,7 +3092,7 @@ packages:
       sucrase: 3.35.0
       tinyglobby: 0.2.6
       tree-kill: 1.2.2
-      typescript: 5.6.2
+      typescript: 5.9.2
     transitivePeerDependencies:
       - jiti
       - supports-color
@@ -3113,8 +3113,8 @@ packages:
       mime-types: 2.1.35
     dev: false
 
-  /typescript@5.6.2:
-    resolution: {integrity: sha512-NW8ByodCSNCwZeghjN3o+JX5OFH0Ojg6sadjEKY4huZ52TqbJTJnDo5+Tw98lSy63NZvi4n+ez5m2u5d4PkZyw==}
+  /typescript@5.9.2:
+    resolution: {integrity: sha512-CWBzXQrc/qOkhidw1OzBTQuYRbfyxDXJMVJ1XNwUHGROVmuaeiEm3OslpZ1RV96d7SKKjZKrSJu3+t/xlw3R9A==}
     engines: {node: '>=14.17'}
     hasBin: true
     dev: true