diff --git a/typescript-language-server/package-lock.json b/typescript-language-server/package-lock.json
index 9cbe1c3..2e910a4 100644
--- a/typescript-language-server/package-lock.json
+++ b/typescript-language-server/package-lock.json
@@ -62,9 +62,9 @@
       }
     },
     "typescript": {
-      "version": "4.2.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.2.4.tgz",
-      "integrity": "sha512-V+evlYHZnQkaz8TRBuxTA92yZBPotr5H+WhQ7bD3hZUndx5tGOa1fuCgeSjxAzM1RiN5IzvadIXTVefuuwZCRg=="
+      "version": "4.3.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.4.tgz",
+      "integrity": "sha512-uauPG7XZn9F/mo+7MrsRjyvbxFpzemRjKEZXS4AK83oP2KKOJPvb+9cO/gmnv8arWZvhnjVOXz7B49m1l0e9Ew=="
     },
     "typescript-language-server": {
       "version": "0.5.1",
diff --git a/typescript-language-server/package.json b/typescript-language-server/package.json
index 78c6b06..16b659b 100644
--- a/typescript-language-server/package.json
+++ b/typescript-language-server/package.json
@@ -2,7 +2,7 @@
   "name": "typescript-language-server",
   "version": "0.5.1",
   "dependencies": {
-    "typescript": "4.2.4",
+    "typescript": "4.3.4",
     "typescript-language-server": "0.5.1"
   }
 }