diff --git a/typescript/package-lock.json b/typescript/package-lock.json
index 2206e486..02ba317e 100644
--- a/typescript/package-lock.json
+++ b/typescript/package-lock.json
@@ -14,7 +14,7 @@
       "dependencies": {
         "@web/dev-server": "^0.4.3",
         "esbuild": "^0.20.1",
-        "typescript": "~5.3.3",
+        "typescript": "~5.4.3",
         "wireit": "^0.14.4"
       }
     },
@@ -6975,9 +6975,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.3.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.3.3.tgz",
-      "integrity": "sha512-pXWcraxM0uxAS+tN0AG/BF2TyqmHO014Z070UsJ+pFvYuRSq8KH8DmWpnbXe0pEPDHXZV3FcAbJkijJ5oNEnWw==",
+      "version": "5.4.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.4.3.tgz",
+      "integrity": "sha512-KrPd3PKaCLr78MalgiwJnA25Nm8HAmdwN3mYUYZgG/wizIo9EainNVQI9/yDavtVFRN2h3k8uf3GLHuhDMgEHg==",
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
@@ -7826,7 +7826,7 @@
       "dependencies": {
         "@web/dev-server": "^0.4.3",
         "esbuild": "^0.20.1",
-        "typescript": "~5.3.3",
+        "typescript": "~5.4.3",
         "wireit": "^0.14.4"
       },
       "devDependencies": {
@@ -7846,7 +7846,7 @@
         "lit": "^3.1.2",
         "lit-redux-watch": "^0.3.8",
         "reselect": "^5.1.0",
-        "typescript": "~5.3.3",
+        "typescript": "~5.4.3",
         "vite": "^5.1.5",
         "vite-plugin-top-level-await": "^1.4.1",
         "vite-plugin-wasm": "^3.3.0",
@@ -8473,7 +8473,7 @@
         "@web/dev-server-esbuild": "^1.0.2",
         "@web/test-runner": "^0.17.1",
         "esbuild": "^0.20.1",
-        "typescript": "~5.3.3",
+        "typescript": "~5.4.3",
         "wireit": "^0.14.4"
       }
     },
@@ -8486,7 +8486,7 @@
         "lit": "^3.1.2",
         "lit-redux-watch": "^0.3.8",
         "reselect": "^5.1.0",
-        "typescript": "~5.3.3",
+        "typescript": "~5.4.3",
         "vite": "^5.1.5",
         "vite-plugin-top-level-await": "^1.4.1",
         "vite-plugin-wasm": "^3.3.0",
@@ -12799,9 +12799,9 @@
       }
     },
     "typescript": {
-      "version": "5.3.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.3.3.tgz",
-      "integrity": "sha512-pXWcraxM0uxAS+tN0AG/BF2TyqmHO014Z070UsJ+pFvYuRSq8KH8DmWpnbXe0pEPDHXZV3FcAbJkijJ5oNEnWw=="
+      "version": "5.4.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.4.3.tgz",
+      "integrity": "sha512-KrPd3PKaCLr78MalgiwJnA25Nm8HAmdwN3mYUYZgG/wizIo9EainNVQI9/yDavtVFRN2h3k8uf3GLHuhDMgEHg=="
     },
     "typical": {
       "version": "4.0.0",
diff --git a/typescript/package.json b/typescript/package.json
index eac5529c..b8e92154 100644
--- a/typescript/package.json
+++ b/typescript/package.json
@@ -14,7 +14,7 @@
   },
   "dependencies": {
     "wireit": "^0.14.4",
-    "typescript": "~5.3.3",
+    "typescript": "~5.4.3",
     "esbuild": "^0.20.1",
     "@web/dev-server": "^0.4.3"
   },
diff --git a/typescript/packages/orb/package.json b/typescript/packages/orb/package.json
index ef24c383..89a32db5 100644
--- a/typescript/packages/orb/package.json
+++ b/typescript/packages/orb/package.json
@@ -21,7 +21,7 @@
   "dependencies": {
     "@web/dev-server": "^0.4.3",
     "esbuild": "^0.20.1",
-    "typescript": "~5.3.3",
+    "typescript": "~5.4.3",
     "wireit": "^0.14.4"
   },
   "wireit": {
diff --git a/typescript/packages/sphere-viewer/package.json b/typescript/packages/sphere-viewer/package.json
index 7a9c7167..63191179 100644
--- a/typescript/packages/sphere-viewer/package.json
+++ b/typescript/packages/sphere-viewer/package.json
@@ -19,7 +19,7 @@
     "lit": "^3.1.2",
     "lit-redux-watch": "^0.3.8",
     "reselect": "^5.1.0",
-    "typescript": "~5.3.3",
+    "typescript": "~5.4.3",
     "vite": "^5.1.5",
     "vite-plugin-wasm": "^3.3.0",
     "vite-plugin-top-level-await": "^1.4.1",