diff --git a/package-lock.json b/package-lock.json
index fa764bc8..cd58458c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -26,7 +26,7 @@
         "make-dir-cli": "4.0.0",
         "rimraf": "6.1.3",
         "ts-proto": "2.11.4",
-        "typescript": "5.8.3"
+        "typescript": "5.9.3"
       }
     },
     "node_modules/@ava/typescript": {
@@ -3042,9 +3042,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.8.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.8.3.tgz",
-      "integrity": "sha512-p1diW6TqL9L07nNxvRMM7hMMw4c5XOo/1ibL4aAIGmSAt9slTE1Xgw5KWuof2uTOvCg9BY7ZRi+GaF+7sfgPeQ==",
+      "version": "5.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
+      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",
@@ -5283,9 +5283,9 @@
       "dev": true
     },
     "typescript": {
-      "version": "5.8.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.8.3.tgz",
-      "integrity": "sha512-p1diW6TqL9L07nNxvRMM7hMMw4c5XOo/1ibL4aAIGmSAt9slTE1Xgw5KWuof2uTOvCg9BY7ZRi+GaF+7sfgPeQ==",
+      "version": "5.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
+      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
       "dev": true
     },
     "unicorn-magic": {
diff --git a/package.json b/package.json
index 55a279b4..5fe2e09c 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "make-dir-cli": "4.0.0",
     "rimraf": "6.1.3",
     "ts-proto": "2.11.4",
-    "typescript": "5.8.3"
+    "typescript": "5.9.3"
   },
   "dependencies": {
     "axios": "1.13.6",