diff --git a/package.json b/package.json
index 4b704c7..57fad09 100644
--- a/package.json
+++ b/package.json
@@ -37,6 +37,6 @@
     "mockdate": "2.0.5",
     "prettier": "1.19.1",
     "ts-jest": "24.2.0",
-    "typescript": "3.7.5"
+    "typescript": "3.9.10"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 043552f..cb5fc27 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4261,10 +4261,10 @@ type-fest@^0.8.1:
   resolved "https://registry.yarnpkg.com/type-fest/-/type-fest-0.8.1.tgz#09e249ebde851d3b1e48d27c105444667f17b83d"
   integrity sha512-4dbzIzqvjtgiM5rw1k5rEHtBANKmdudhGyBEajN01fEyhaAIhsoKNy6y7+IN93IfpFtwY9iqi7kD+xwKhQsNJA==
 
-typescript@3.7.5:
-  version "3.7.5"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.7.5.tgz#0692e21f65fd4108b9330238aac11dd2e177a1ae"
-  integrity sha512-/P5lkRXkWHNAbcJIiHPfRoKqyd7bsyCma1hZNUGfn20qm64T6ZBlrzprymeu918H+mB/0rIg2gGK/BXkhhYgBw==
+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"