diff --git a/package.json b/package.json
index 46e0c5d..4934f20 100644
--- a/package.json
+++ b/package.json
@@ -33,6 +33,6 @@
     "mockdate": "2.0.5",
     "prettier": "1.19.1",
     "ts-jest": "24.1.0",
-    "typescript": "3.6.5"
+    "typescript": "3.9.10"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 4063d94..75d656d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4101,10 +4101,10 @@ type-check@~0.3.2:
   dependencies:
     prelude-ls "~1.1.2"
 
-typescript@3.6.5:
-  version "3.6.5"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.6.5.tgz#dae20114a7b4ff4bd642db9c8c699f2953e8bbdb"
-  integrity sha512-BEjlc0Z06ORZKbtcxGrIvvwYs5hAnuo6TKdNFL55frVDlB+na3z5bsLhFaIxmT+dPWgBIjMo6aNnTOgHHmHgiQ==
+typescript@3.9.10:
+  version "3.9.10"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.10.tgz#70f3910ac7a51ed6bef79da7800690b19bf778b8"
+  integrity sha512-w6fIxVE/H1PkLKcCPsFqKE7Kv7QUwhU8qQY2MueZXWx5cPZdwFupLgKK3vntcK98BtNHZtAF4LA/yl2a7k8R6Q==
 
 union-value@^1.0.0:
   version "1.0.1"