diff --git a/package.json b/package.json
index 624cc7c..ed0f8ff 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
 		"eslint": "8.57.0",
 		"eslint-config-prettier": "9.1.0",
 		"microbundle": "0.15.1",
-		"typescript": "5.5.3"
+		"typescript": "5.5.4"
 	},
 	"type": "module",
 	"source": "src/accordion.ts",
diff --git a/yarn.lock b/yarn.lock
index f628f1b..a5af3e4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3946,10 +3946,10 @@ type-fest@^0.20.2:
   resolved "https://registry.yarnpkg.com/type-fest/-/type-fest-0.20.2.tgz#1bf207f4b28f91583666cb5fbd327887301cd5f4"
   integrity sha512-Ne+eE4r0/iWnpAxD852z3A+N0Bt5RN//NjJwRd2VFHEmrywxf5vsZlh4R6lixl6B+wz/8d+maTSAkN1FIkI3LQ==
 
-typescript@5.5.3:
-  version "5.5.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.5.3.tgz#e1b0a3c394190838a0b168e771b0ad56a0af0faa"
-  integrity sha512-/hreyEujaB0w76zKo6717l3L0o/qEUtRgdvUBvlkhoWeOVMjMuHNHk0BRBzikzuGDqNmPQbg5ifMEqsHLiIUcQ==
+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@^4.1.3:
   version "4.9.4"