diff --git a/backend/package.json b/backend/package.json
index 37b4965..2656f6d 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -18,6 +18,6 @@
     "@types/uuid": "^7.0.0",
     "ts-node-dev": "^1.0.0-pre.60",
     "ts-node": "^9.0.0",
-    "typescript": "^4.0.5"
+    "typescript": "^4.3.5"
   }
 }
diff --git a/backend/yarn.lock b/backend/yarn.lock
index 69b83c9..928d6f5 100644
--- a/backend/yarn.lock
+++ b/backend/yarn.lock
@@ -1033,10 +1033,10 @@ tsconfig@^7.0.0:
     strip-bom "^3.0.0"
     strip-json-comments "^2.0.0"
 
-typescript@^4.0.5:
-  version "4.0.5"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.0.5.tgz#ae9dddfd1069f1cb5beb3ef3b2170dd7c1332389"
-  integrity sha512-ywmr/VrTVCmNTJ6iV2LwIrfG1P+lv6luD8sUJs+2eI9NLGigaN+nUQc13iHqisq7bra9lnmUSYqbJvegraBOPQ==
+typescript@^4.3.5:
+  version "4.3.5"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.3.5.tgz#4d1c37cc16e893973c45a06886b7113234f119f4"
+  integrity sha512-DqQgihaQ9cUrskJo9kIyW/+g0Vxsk8cDtZ52a3NGh0YNTfpUSArXSohyUGnvbPazEPLu398C0UxmKSOrPumUzA==
 
 upper-case-first@^1.1.0:
   version "1.1.2"