diff --git a/package-lock.json b/package-lock.json
index a155b2f..04192f5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15,7 +15,7 @@
             "devDependencies": {
                 "@rcv-prod-toolkit/types": "github:rcv-prod-toolkit/types",
                 "@types/fs-extra": "^11.0.4",
-                "typescript": "^5.5.4"
+                "typescript": "^5.9.3"
             }
         },
         "node_modules/@colors/colors": {
@@ -1303,9 +1303,9 @@
             }
         },
         "node_modules/typescript": {
-            "version": "5.5.4",
-            "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.5.4.tgz",
-            "integrity": "sha512-Mtq29sKDAEYP7aljRgtPOpTvOfbwRWlS6dPRzwjdE+C0R4brX/GUyhHSecbHMFLNBLcJIPt9nl9yG5TZ1weH+Q==",
+            "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",
@@ -2241,9 +2241,9 @@
             "dev": true
         },
         "typescript": {
-            "version": "5.5.4",
-            "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.5.4.tgz",
-            "integrity": "sha512-Mtq29sKDAEYP7aljRgtPOpTvOfbwRWlS6dPRzwjdE+C0R4brX/GUyhHSecbHMFLNBLcJIPt9nl9yG5TZ1weH+Q==",
+            "version": "5.9.3",
+            "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
+            "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
             "dev": true
         },
         "universalify": {
diff --git a/package.json b/package.json
index 0cc3ced..df12612 100644
--- a/package.json
+++ b/package.json
@@ -25,6 +25,6 @@
     "devDependencies": {
         "@rcv-prod-toolkit/types": "github:rcv-prod-toolkit/types",
         "@types/fs-extra": "^11.0.4",
-        "typescript": "^5.5.4"
+        "typescript": "^5.9.3"
     }
 }