diff --git a/package-lock.json b/package-lock.json
index 9fcb62fec..0953c968c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10520,9 +10520,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "4.2.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.2.2.tgz",
-      "integrity": "sha512-tbb+NVrLfnsJy3M59lsDgrzWIflR4d4TIUjz+heUnHZwdF7YsrMTKoRERiIvI2lvBG95dfpLxB21WZhys1bgaQ==",
+      "version": "4.2.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.2.3.tgz",
+      "integrity": "sha512-qOcYwxaByStAWrBf4x0fibwZvMRG+r4cQoTjbPtUlrWjBHbmCAww1i448U0GJ+3cNNEtebDteo/cHOR3xJ4wEw==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",
@@ -11185,7 +11185,7 @@
       "devDependencies": {
         "@types/node": "^14.14.32",
         "@types/semver": "^7.3.4",
-        "typescript": "^4.1.5"
+        "typescript": "^4.2.3"
       }
     },
     "packages/core-web-example": {
@@ -11213,7 +11213,7 @@
       "devDependencies": {
         "@types/node": "^14.14.32",
         "@types/semver": "^7.3.4",
-        "typescript": "^4.1.5"
+        "typescript": "^4.2.3"
       }
     },
     "packages/core-web-tests": {
@@ -12404,7 +12404,7 @@
         "@types/node": "^14.14.32",
         "@types/semver": "^7.3.4",
         "semver": "^7.3.4",
-        "typescript": "^4.1.5"
+        "typescript": "^4.2.3"
       }
     },
     "@mrhenry/core-web-example": {
@@ -12428,7 +12428,7 @@
         "@webcomponents/template": "^1.4.4",
         "polyfill-library": "^3.102.0",
         "semver": "^7.3.4",
-        "typescript": "^4.1.5"
+        "typescript": "^4.2.3"
       }
     },
     "@mrhenry/core-web-tests": {
@@ -19433,9 +19433,9 @@
       "dev": true
     },
     "typescript": {
-      "version": "4.2.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.2.2.tgz",
-      "integrity": "sha512-tbb+NVrLfnsJy3M59lsDgrzWIflR4d4TIUjz+heUnHZwdF7YsrMTKoRERiIvI2lvBG95dfpLxB21WZhys1bgaQ==",
+      "version": "4.2.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.2.3.tgz",
+      "integrity": "sha512-qOcYwxaByStAWrBf4x0fibwZvMRG+r4cQoTjbPtUlrWjBHbmCAww1i448U0GJ+3cNNEtebDteo/cHOR3xJ4wEw==",
       "dev": true
     },
     "ua-parser-js": {
diff --git a/packages/core-web-generator/package.json b/packages/core-web-generator/package.json
index ad22d9217..ba4586985 100644
--- a/packages/core-web-generator/package.json
+++ b/packages/core-web-generator/package.json
@@ -23,6 +23,6 @@
   "devDependencies": {
     "@types/node": "^14.14.32",
     "@types/semver": "^7.3.4",
-    "typescript": "^4.1.5"
+    "typescript": "^4.2.3"
   }
 }
diff --git a/packages/core-web/package.json b/packages/core-web/package.json
index 4c96e8b04..21f7ae2be 100644
--- a/packages/core-web/package.json
+++ b/packages/core-web/package.json
@@ -34,7 +34,7 @@
   "devDependencies": {
     "@types/node": "^14.14.32",
     "@types/semver": "^7.3.4",
-    "typescript": "^4.1.5"
+    "typescript": "^4.2.3"
   },
   "bugs": {
     "url": "https://github.com/mrhenry/core-web/issues"