diff --git a/package.json b/package.json
index a4310ab..6b40993 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "parcel-bundler": "^1.12.4",
     "rxjs": "^6.6.6",
     "stylus": "^0.54.8",
-    "typescript": "^4.2.3",
+    "typescript": "^4.9.4",
     "vue": "^2.6.12",
     "vue-hot-reload-api": "^2.3.4",
     "vue-template-compiler": "^2.6.12"
diff --git a/yarn.lock b/yarn.lock
index 86bc07e..5a9bb82 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5032,10 +5032,10 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@^4.2.3:
-  version "4.2.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.2.3.tgz#39062d8019912d43726298f09493d598048c1ce3"
-  integrity sha512-qOcYwxaByStAWrBf4x0fibwZvMRG+r4cQoTjbPtUlrWjBHbmCAww1i448U0GJ+3cNNEtebDteo/cHOR3xJ4wEw==
+typescript@^4.9.4:
+  version "4.9.4"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.9.4.tgz#a2a3d2756c079abda241d75f149df9d561091e78"
+  integrity sha512-Uz+dTXYzxXXbsFpM86Wh3dKCxrQqUcVMxwU54orwlJjOpO3ao8L7j5lH+dWfTwgCwIuM9GQ2kvVotzYJMXTBZg==
 
 uncss@^0.17.3:
   version "0.17.3"