diff --git a/tests/client_parity_tests/package.json b/tests/client_parity_tests/package.json
index 69b181d1..fe96e1aa 100644
--- a/tests/client_parity_tests/package.json
+++ b/tests/client_parity_tests/package.json
@@ -16,7 +16,7 @@
     "@types/node": "^25.6.0",
     "jest": "^30.3.0",
     "ts-jest": "^29.4.9",
-    "typescript": "^5.9.3",
+    "typescript": "^6.0.3",
     "ts-node": "^10.0.0"
   },
   "jest": {
diff --git a/tests/client_parity_tests/yarn.lock b/tests/client_parity_tests/yarn.lock
index cc63fdcd..11e6630e 100644
--- a/tests/client_parity_tests/yarn.lock
+++ b/tests/client_parity_tests/yarn.lock
@@ -2579,10 +2579,10 @@ type-fest@^4.41.0:
   resolved "https://registry.npmjs.org/type-fest/-/type-fest-4.41.0.tgz"
   integrity sha512-TeTSQ6H5YHvpqVwBRcnLDCBnDOHWYu7IvGbHT6N8AOymcr9PJGjc1GTtiWZTYg0NCgYwvnYWEkVChQAr9bjfwA==
 
-typescript@^5.9.3:
-  version "5.9.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.9.3.tgz#5b4f59e15310ab17a216f5d6cf53ee476ede670f"
-  integrity sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==
+typescript@^6.0.3:
+  version "6.0.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-6.0.3.tgz#90251dc007916e972786cb94d74d15b185577d21"
+  integrity sha512-y2TvuxSZPDyQakkFRPZHKFm+KKVqIisdg9/CZwm9ftvKXLP8NRWj38/ODjNbr43SsoXqNuAisEf1GdCxqWcdBw==
 
 uglify-js@^3.1.4:
   version "3.19.3"