diff --git a/package.json b/package.json
index 351ffdf..9f39d0d 100644
--- a/package.json
+++ b/package.json
@@ -12,6 +12,6 @@
   },
   "devDependencies": {
     "dumi": "1.1.16",
-    "typescript": "4.2.4"
+    "typescript": "4.3.4"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 73e4eec..0440fee 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -10354,10 +10354,10 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@4.2.4:
-  version "4.2.4"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.2.4.tgz#8610b59747de028fda898a8aef0e103f156d0961"
-  integrity sha512-V+evlYHZnQkaz8TRBuxTA92yZBPotr5H+WhQ7bD3hZUndx5tGOa1fuCgeSjxAzM1RiN5IzvadIXTVefuuwZCRg==
+typescript@4.3.4:
+  version "4.3.4"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.3.4.tgz#3f85b986945bcf31071decdd96cf8bfa65f9dcbc"
+  integrity sha512-uauPG7XZn9F/mo+7MrsRjyvbxFpzemRjKEZXS4AK83oP2KKOJPvb+9cO/gmnv8arWZvhnjVOXz7B49m1l0e9Ew==
 
 umi-webpack-bundle-analyzer@3.6.0:
   version "3.6.0"