diff --git a/package-lock.json b/package-lock.json
index 23f3064c..cb18adc3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6232,9 +6232,9 @@
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         },
         "typescript": {
-            "version": "3.8.3",
-            "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.8.3.tgz",
-            "integrity": "sha512-MYlEfn5VrLNsgudQTVJeNaQFUAI7DkhnOjdpAp4T+ku1TfQClewlbSuTVHiA+8skNBgaf02TL/kLOvig4y3G8w=="
+            "version": "3.9.3",
+            "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.3.tgz",
+            "integrity": "sha512-D/wqnB2xzNFIcoBG9FG8cXRDjiqSTbG2wd8DMZeQyJlP1vfTkIxH4GKveWaEBYySKIg+USu+E+EDIR47SqnaMQ=="
         },
         "uglify-js": {
             "version": "3.7.2",
diff --git a/package.json b/package.json
index 178335b4..6435d533 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
         "rimraf": "3.0.2",
         "semantic-release": "15.14.0",
         "tfx-cli": "0.7.11",
-        "typescript": "3.8.3"
+        "typescript": "3.9.3"
     },
     "release": {
         "branch": "master",
diff --git a/src/freestyle/package-lock.json b/src/freestyle/package-lock.json
index 334361e9..c5428820 100644
--- a/src/freestyle/package-lock.json
+++ b/src/freestyle/package-lock.json
@@ -1706,9 +1706,9 @@
       }
     },
     "typescript": {
-      "version": "3.8.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.8.3.tgz",
-      "integrity": "sha512-MYlEfn5VrLNsgudQTVJeNaQFUAI7DkhnOjdpAp4T+ku1TfQClewlbSuTVHiA+8skNBgaf02TL/kLOvig4y3G8w==",
+      "version": "3.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.3.tgz",
+      "integrity": "sha512-D/wqnB2xzNFIcoBG9FG8cXRDjiqSTbG2wd8DMZeQyJlP1vfTkIxH4GKveWaEBYySKIg+USu+E+EDIR47SqnaMQ==",
       "dev": true
     },
     "undefsafe": {
diff --git a/src/freestyle/package.json b/src/freestyle/package.json
index bfefa44e..5b106440 100644
--- a/src/freestyle/package.json
+++ b/src/freestyle/package.json
@@ -40,6 +40,6 @@
     "mocha": "7.2.0",
     "nodemon": "2.0.4",
     "ts-node": "8.10.2",
-    "typescript": "3.8.3"
+    "typescript": "3.9.3"
   }
 }