diff --git a/package-lock.json b/package-lock.json
index 0b04f302..ef58a832 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -20103,6 +20103,12 @@
             "interpret": "^1.0.0",
             "rechoir": "^0.6.2"
           }
+        },
+        "typescript": {
+          "version": "3.5.3",
+          "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.5.3.tgz",
+          "integrity": "sha512-ACzBtm/PhXBDId6a6sDJfroT2pOWt/oOnk4/dElG5G33ZL776N3Y6/6bKZJBFpd+b05F3Ct9qDjMeJmRWtE2/g==",
+          "dev": true
         }
       }
     },
@@ -20119,9 +20125,9 @@
       }
     },
     "typescript": {
-      "version": "3.5.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.5.3.tgz",
-      "integrity": "sha512-ACzBtm/PhXBDId6a6sDJfroT2pOWt/oOnk4/dElG5G33ZL776N3Y6/6bKZJBFpd+b05F3Ct9qDjMeJmRWtE2/g=="
+      "version": "3.9.10",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.10.tgz",
+      "integrity": "sha512-w6fIxVE/H1PkLKcCPsFqKE7Kv7QUwhU8qQY2MueZXWx5cPZdwFupLgKK3vntcK98BtNHZtAF4LA/yl2a7k8R6Q=="
     },
     "typescript-parser": {
       "version": "2.6.1",
diff --git a/package.json b/package.json
index 20b42d24..f9f1d4bf 100644
--- a/package.json
+++ b/package.json
@@ -141,7 +141,7 @@
     "tslint-config-prettier": "1.18.0",
     "tslint-config-standard": "8.0.1",
     "typedoc": "0.15.0",
-    "typescript": "3.5.3"
+    "typescript": "3.9.10"
   },
   "dependencies": {
     "commander": "2.20.0",