diff --git a/package.json b/package.json
index 40b93350..678c1cc8 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "joi": "^18.0.1",
     "json-diff": "^1.0.6",
     "semver": "^7.7.3",
-    "typescript": "~5.8.2",
+    "typescript": "~5.9.3",
     "viem": "^2.16.3",
     "yargs": "^17.7.2"
   },
diff --git a/yarn.lock b/yarn.lock
index 9a647866..57c1d140 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6473,10 +6473,10 @@ typed-array-length@^1.0.7:
     possible-typed-array-names "^1.0.0"
     reflect.getprototypeof "^1.0.6"
 
-typescript@~5.8.2:
-  version "5.8.2"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.8.2.tgz#8170b3702f74b79db2e5a96207c15e65807999e4"
-  integrity sha512-aJn6wq13/afZp/jT9QZmwEjDqqvSGp1VT5GVg+f/t6/oVyrgXM6BY1h9BRh/O5p3PlUPAe+WuiEZOmb/49RqoQ==
+typescript@~5.9.3:
+  version "5.9.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.9.3.tgz#5b4f59e15310ab17a216f5d6cf53ee476ede670f"
+  integrity sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==
 
 uglify-js@^3.1.4:
   version "3.19.3"