diff --git a/package.json b/package.json
index 015a647d..7fa035a8 100644
--- a/package.json
+++ b/package.json
@@ -60,6 +60,6 @@
     "standard-version": "^7.0.0",
     "ts-node": "~8.5.0",
     "tslint": "~5.20.0",
-    "typescript": "3.5.3"
+    "typescript": "3.9.7"
   }
 }
\ No newline at end of file
diff --git a/yarn.lock b/yarn.lock
index f35b5029..d951f69f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9166,6 +9166,11 @@ typescript@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@3.9.7:
+  version "3.9.7"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.7.tgz#98d600a5ebdc38f40cb277522f12dc800e9e25fa"
+  integrity sha512-BLbiRkiBzAwsjut4x/dsibSTB6yWpwT5qWmC2OfuCg3GgVQCSgMs4vEctYPhsaGtd0AeuuHMkjZ2h2WG8MSzRw==
+
 ua-parser-js@0.7.17:
   version "0.7.17"
   resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-0.7.17.tgz#e9ec5f9498b9ec910e7ae3ac626a805c4d09ecac"