diff --git a/package-lock.json b/package-lock.json
index 5b5d469..f28191e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12137,9 +12137,9 @@
             "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c="
         },
         "typescript": {
-            "version": "3.2.4",
-            "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.2.4.tgz",
-            "integrity": "sha512-0RNDbSdEokBeEAkgNbxJ+BLwSManFy9TeXz8uW+48j/xhEXv1ePME60olyzw2XzUqUBNAYFeJadIqAgNqIACwg==",
+            "version": "3.9.9",
+            "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.9.tgz",
+            "integrity": "sha512-kdMjTiekY+z/ubJCATUPlRDl39vXYiMV9iyeMuEuXZh2we6zz80uovNN2WlAxmmdE/Z/YQe+EbOEXB5RHEED3w==",
             "dev": true
         },
         "uglify-js": {
diff --git a/package.json b/package.json
index abfa99c..1257b74 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "homepage": "https://github.com/KleeGroup/webpack-focus#readme",
     "devDependencies": {
         "tslint": "5.11.0",
-        "typescript": "3.2.4",
+        "typescript": "3.9.9",
         "@babel/cli": "7.2.3",
         "better-npm-run": "0.1.1",
         "lodash": "4.17.14"