diff --git a/package.json b/package.json
index 52822b4e..3ddaaa0b 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
     "to-string-loader": "1.1.6",
     "tslib": "^1.11.1",
     "typedoc": "^0.17.6",
-    "typescript": "^3.8.3",
+    "typescript": "^3.9.3",
     "url-loader": "^3.0.0",
     "val-loader": "2.1.1",
     "webpack": "^5.0.0-beta.16",
diff --git a/yarn.lock b/yarn.lock
index 4223448a..8f0aff1f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7119,10 +7119,10 @@ typedoc@^0.17.6:
     shelljs "^0.8.4"
     typedoc-default-themes "^0.10.1"
 
-typescript@^3.8.3:
-  version "3.8.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.8.3.tgz#409eb8544ea0335711205869ec458ab109ee1061"
-  integrity sha512-MYlEfn5VrLNsgudQTVJeNaQFUAI7DkhnOjdpAp4T+ku1TfQClewlbSuTVHiA+8skNBgaf02TL/kLOvig4y3G8w==
+typescript@^3.9.3:
+  version "3.9.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.3.tgz#d3ac8883a97c26139e42df5e93eeece33d610b8a"
+  integrity sha512-D/wqnB2xzNFIcoBG9FG8cXRDjiqSTbG2wd8DMZeQyJlP1vfTkIxH4GKveWaEBYySKIg+USu+E+EDIR47SqnaMQ==
 
 uglify-js@3.4.x:
   version "3.4.7"