diff --git a/package.json b/package.json
index 694d2029f..b82ff782d 100644
--- a/package.json
+++ b/package.json
@@ -55,7 +55,7 @@
     "nyc": "14.1.1",
     "prettier": "1.19.1",
     "sinon": "8.1.1",
-    "typescript": "3.9.10"
+    "typescript": "5.9.3"
   },
   "nyc": {
     "require": [
diff --git a/yarn.lock b/yarn.lock
index 2fdfb28f7..fc479d3de 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6071,10 +6071,10 @@ typed-array-length@^1.0.7:
     possible-typed-array-names "^1.0.0"
     reflect.getprototypeof "^1.0.6"
 
-typescript@3.9.10:
-  version "3.9.10"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.10.tgz#70f3910ac7a51ed6bef79da7800690b19bf778b8"
-  integrity sha512-w6fIxVE/H1PkLKcCPsFqKE7Kv7QUwhU8qQY2MueZXWx5cPZdwFupLgKK3vntcK98BtNHZtAF4LA/yl2a7k8R6Q==
+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 "3.6.0"