diff --git a/package.json b/package.json
index 8ca358d..5d7b635 100644
--- a/package.json
+++ b/package.json
@@ -77,7 +77,7 @@
     "streamify-string": "^1.0.1",
     "ts-jest": "^29.1.0",
     "ts-loader": "^9.4.1",
-    "typescript": "~5.5.0",
+    "typescript": "~5.9.0",
     "webpack": "^5.75.0",
     "webpack-cli": "^6.0.0"
   },
diff --git a/yarn.lock b/yarn.lock
index 2989fec..9fda34e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6378,10 +6378,10 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha512-/aCDEGatGvZ2BIk+HmLf4ifCJFwvKFNb9/JeZPMulfgFracn9QFcAf5GO8B/mweUjSoblS5In0cWhqpfs/5PQA==
 
-typescript@~5.5.0:
-  version "5.5.4"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.5.4.tgz#d9852d6c82bad2d2eda4fd74a5762a8f5909e9ba"
-  integrity sha512-Mtq29sKDAEYP7aljRgtPOpTvOfbwRWlS6dPRzwjdE+C0R4brX/GUyhHSecbHMFLNBLcJIPt9nl9yG5TZ1weH+Q==
+typescript@~5.9.0:
+  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"