diff --git a/package.json b/package.json
index f120087c..b9e0f3ad 100644
--- a/package.json
+++ b/package.json
@@ -39,6 +39,6 @@
     "prettier-plugin-astro": "^0.14.0",
     "stylelint": "^16.6.1",
     "stylelint-config-standard": "^36.0.1",
-    "typescript": "^5.3.3"
+    "typescript": "^5.5.3"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 980a3fe2..59c3190c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5146,10 +5146,10 @@ typed-array-length@^1.0.4:
     for-each "^0.3.3"
     is-typed-array "^1.1.9"
 
-typescript@^5.3.3:
-  version "5.3.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.3.3.tgz#b3ce6ba258e72e6305ba66f5c9b452aaee3ffe37"
-  integrity sha512-pXWcraxM0uxAS+tN0AG/BF2TyqmHO014Z070UsJ+pFvYuRSq8KH8DmWpnbXe0pEPDHXZV3FcAbJkijJ5oNEnWw==
+typescript@^5.5.3:
+  version "5.5.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.5.3.tgz#e1b0a3c394190838a0b168e771b0ad56a0af0faa"
+  integrity sha512-/hreyEujaB0w76zKo6717l3L0o/qEUtRgdvUBvlkhoWeOVMjMuHNHk0BRBzikzuGDqNmPQbg5ifMEqsHLiIUcQ==
 
 unbox-primitive@^1.0.2:
   version "1.0.2"