diff --git a/form/package-lock.json b/form/package-lock.json
index 955f029..405b1aa 100644
--- a/form/package-lock.json
+++ b/form/package-lock.json
@@ -15095,9 +15095,9 @@
       }
     },
     "typescript": {
-      "version": "4.1.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.1.2.tgz",
-      "integrity": "sha512-thGloWsGH3SOxv1SoY7QojKi0tc+8FnOmiarEGMbd/lar7QOEd3hvlx3Fp5y6FlDUGl9L+pd4n2e+oToGMmhRQ=="
+      "version": "4.3.5",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.5.tgz",
+      "integrity": "sha512-DqQgihaQ9cUrskJo9kIyW/+g0Vxsk8cDtZ52a3NGh0YNTfpUSArXSohyUGnvbPazEPLu398C0UxmKSOrPumUzA=="
     },
     "unicode-canonical-property-names-ecmascript": {
       "version": "1.0.4",
diff --git a/form/package.json b/form/package.json
index fce07a2..16842d5 100644
--- a/form/package.json
+++ b/form/package.json
@@ -17,7 +17,7 @@
     "react-dom": "17.0.1",
     "react-scripts": "4.0.1",
     "theme-ui": "0.3.5",
-    "typescript": "4.1.2",
+    "typescript": "4.3.5",
     "web-vitals": "0.2.4"
   },
   "scripts": {
diff --git a/package-lock.json b/package-lock.json
index cdc93cf..cd9bf59 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6465,9 +6465,9 @@
       }
     },
     "typescript": {
-      "version": "3.9.7",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.7.tgz",
-      "integrity": "sha512-BLbiRkiBzAwsjut4x/dsibSTB6yWpwT5qWmC2OfuCg3GgVQCSgMs4vEctYPhsaGtd0AeuuHMkjZ2h2WG8MSzRw=="
+      "version": "4.3.5",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.5.tgz",
+      "integrity": "sha512-DqQgihaQ9cUrskJo9kIyW/+g0Vxsk8cDtZ52a3NGh0YNTfpUSArXSohyUGnvbPazEPLu398C0UxmKSOrPumUzA=="
     },
     "union-value": {
       "version": "1.0.1",
diff --git a/package.json b/package.json
index 9fc0c7a..ff6c78f 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "prettier": "2.1.2",
     "ts-jest": "26.4.2",
     "ts-node": "8.10.2",
-    "typescript": "3.9.7"
+    "typescript": "4.3.5"
   },
   "targets": {
     "cdk-lambda": {