diff --git a/functions/package.json b/functions/package.json
index fc7f0741..cb6a6407 100644
--- a/functions/package.json
+++ b/functions/package.json
@@ -34,7 +34,7 @@
     "eslint-watch": "8.0.0",
     "firebase-functions-test": "^3.3.0",
     "firebase-tools": "11.25.1",
-    "typescript": "^5.5.4"
+    "typescript": "^5.6.3"
   },
   "resolutions": {
     "@types/express": "4.17.13",
diff --git a/functions/yarn.lock b/functions/yarn.lock
index e6278e64..a1ccd73b 100644
--- a/functions/yarn.lock
+++ b/functions/yarn.lock
@@ -6442,10 +6442,10 @@ typedarray-to-buffer@^3.1.5:
   dependencies:
     is-typedarray "^1.0.0"
 
-typescript@^5.5.4:
-  version "5.5.4"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.5.4.tgz#d9852d6c82bad2d2eda4fd74a5762a8f5909e9ba"
-  integrity sha512-Mtq29sKDAEYP7aljRgtPOpTvOfbwRWlS6dPRzwjdE+C0R4brX/GUyhHSecbHMFLNBLcJIPt9nl9yG5TZ1weH+Q==
+typescript@^5.6.3:
+  version "5.6.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.6.3.tgz#5f3449e31c9d94febb17de03cc081dd56d81db5b"
+  integrity sha512-hjcS1mhfuyi4WW8IWtjP7brDrG2cuDZukyrYrSauoXGNgx0S7zceP07adYkJycEr56BOUTNPzbInooiN3fn1qw==
 
 uc.micro@^1.0.1, uc.micro@^1.0.5:
   version "1.0.6"