diff --git a/package-lock.json b/package-lock.json
index c8608a9..82ec293 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10710,9 +10710,9 @@
       }
     },
     "typescript": {
-      "version": "3.9.8",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.8.tgz",
-      "integrity": "sha512-nDbnFkUZZjkQ92qwKX+C+jtk4OGfU8H9toSEs3uAsl8cxLjG2sqQm6leF/pLWvm9FAEJ6KHkYMAbHYaY2ITeVg==",
+      "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
     },
     "union-value": {
diff --git a/package.json b/package.json
index 945faa5..4054549 100644
--- a/package.json
+++ b/package.json
@@ -29,6 +29,6 @@
     "jest": "^25.5.4",
     "jest-circus": "^26.6.3",
     "ts-jest": "^25.5.1",
-    "typescript": "^3.9.8"
+    "typescript": "^3.9.9"
   }
 }