diff --git a/src/vscode-bicep-ui/apps/deploy-pane/package.json b/src/vscode-bicep-ui/apps/deploy-pane/package.json
index 4d0a7c2bcf8..d9d5238cbcf 100644
--- a/src/vscode-bicep-ui/apps/deploy-pane/package.json
+++ b/src/vscode-bicep-ui/apps/deploy-pane/package.json
@@ -24,7 +24,7 @@
     "@vscode-elements/webview-playground": "^1.8.0",
     "element-internals-polyfill": "^3.0.2",
     "happy-dom": "^20.8.9",
-    "typescript": "^5.7.3",
+    "typescript": "^6.0.3",
     "vite": "^7.3.2",
     "vite-plugin-ejs": "^1.7.0",
     "vitest": "^3.2.4"
diff --git a/src/vscode-bicep-ui/package-lock.json b/src/vscode-bicep-ui/package-lock.json
index dfe3358023e..53b154aa20e 100644
--- a/src/vscode-bicep-ui/package-lock.json
+++ b/src/vscode-bicep-ui/package-lock.json
@@ -24,7 +24,7 @@
         "jest-styled-components": "^7.4.0",
         "prettier": "^3.8.3",
         "turbo": "^2.5.4",
-        "typescript": "^5.8.2",
+        "typescript": "^6.0.3",
         "typescript-eslint": "^8.35.0"
       }
     },
@@ -53,7 +53,7 @@
         "@vscode-elements/webview-playground": "^1.8.0",
         "element-internals-polyfill": "^3.0.2",
         "happy-dom": "^20.8.9",
-        "typescript": "^5.7.3",
+        "typescript": "^6.0.3",
         "vite": "^7.3.2",
         "vite-plugin-ejs": "^1.7.0",
         "vitest": "^3.2.4"
@@ -1892,6 +1892,20 @@
         "node": ">=10"
       }
     },
+    "node_modules/@microsoft/api-extractor/node_modules/typescript": {
+      "version": "5.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
+      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "bin": {
+        "tsc": "bin/tsc",
+        "tsserver": "bin/tsserver"
+      },
+      "engines": {
+        "node": ">=14.17"
+      }
+    },
     "node_modules/@microsoft/api-extractor/node_modules/yallist": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
@@ -9978,9 +9992,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.9.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
-      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
+      "version": "6.0.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-6.0.3.tgz",
+      "integrity": "sha512-y2TvuxSZPDyQakkFRPZHKFm+KKVqIisdg9/CZwm9ftvKXLP8NRWj38/ODjNbr43SsoXqNuAisEf1GdCxqWcdBw==",
       "dev": true,
       "license": "Apache-2.0",
       "bin": {
diff --git a/src/vscode-bicep-ui/package.json b/src/vscode-bicep-ui/package.json
index 48b51bb7245..5a6e3a9d497 100644
--- a/src/vscode-bicep-ui/package.json
+++ b/src/vscode-bicep-ui/package.json
@@ -34,7 +34,7 @@
     "jest-styled-components": "^7.4.0",
     "prettier": "^3.8.3",
     "turbo": "^2.5.4",
-    "typescript": "^5.8.2",
+    "typescript": "^6.0.3",
     "typescript-eslint": "^8.35.0"
   },
   "overrides": {