diff --git a/package.json b/package.json
index 8bed1c9..f61f486 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,7 @@
     "ts-jest": "^24.3.0",
     "ts-node": "^8.8.2",
     "tslint-config-standard": "^9.0.0",
-    "typescript": "^3.5.3",
+    "typescript": "^3.9.2",
     "typescript-eslint-parser": "^22.0.0"
   },
   "dependencies": {
diff --git a/yarn.lock b/yarn.lock
index c368c4b..7e11b18 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4612,10 +4612,10 @@ typescript-estree@18.0.0:
     lodash.unescape "4.0.1"
     semver "5.5.0"
 
-typescript@^3.5.3:
-  version "3.5.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.5.3.tgz#c830f657f93f1ea846819e929092f5fe5983e977"
-  integrity sha512-ACzBtm/PhXBDId6a6sDJfroT2pOWt/oOnk4/dElG5G33ZL776N3Y6/6bKZJBFpd+b05F3Ct9qDjMeJmRWtE2/g==
+typescript@^3.9.2:
+  version "3.9.2"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.2.tgz#64e9c8e9be6ea583c54607677dd4680a1cf35db9"
+  integrity sha512-q2ktq4n/uLuNNShyayit+DTobV2ApPEo/6so68JaD5ojvc/6GClBipedB9zNWYxRSAlZXAe405Rlijzl6qDiSw==
 
 union-value@^1.0.0:
   version "1.0.0"