diff --git a/package-lock.json b/package-lock.json
index e33a771199..5fb07251f8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -47,7 +47,7 @@
         "eslint-plugin-prettier": "^5.5.5",
         "globals": "^17.4.0",
         "ts-node": "^10.9.2",
-        "typescript": "^5.9.3",
+        "typescript": "^6.0.2",
         "typescript-eslint": "^8.57.2",
         "vite-tsconfig-paths": "^6.1.1",
         "vitest": "^3.2.4"
@@ -7727,25 +7727,6 @@
         }
       }
     },
-    "node_modules/tsconfck": {
-      "version": "3.1.6",
-      "dev": true,
-      "license": "MIT",
-      "bin": {
-        "tsconfck": "bin/tsconfck.js"
-      },
-      "engines": {
-        "node": "^18 || >=20"
-      },
-      "peerDependencies": {
-        "typescript": "^5.0.0"
-      },
-      "peerDependenciesMeta": {
-        "typescript": {
-          "optional": true
-        }
-      }
-    },
     "node_modules/tslib": {
       "version": "2.8.1",
       "license": "0BSD"
@@ -7770,7 +7751,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.9.3",
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-6.0.2.tgz",
+      "integrity": "sha512-bGdAIrZ0wiGDo5l8c++HWtbaNCWTS4UTv7RaTH/ThVIgjkveJt83m74bBHMJkuCbslY8ixgLBVZJIOiQlQTjfQ==",
       "dev": true,
       "license": "Apache-2.0",
       "bin": {
@@ -8024,6 +8007,27 @@
         "vite": "*"
       }
     },
+    "node_modules/vite-tsconfig-paths/node_modules/tsconfck": {
+      "version": "3.1.6",
+      "resolved": "https://registry.npmjs.org/tsconfck/-/tsconfck-3.1.6.tgz",
+      "integrity": "sha512-ks6Vjr/jEw0P1gmOVwutM3B7fWxoWBL2KRDb1JfqGVawBmO5UsvmWOQFGHBPl5yxYz4eERr19E6L7NMv+Fej4w==",
+      "dev": true,
+      "license": "MIT",
+      "bin": {
+        "tsconfck": "bin/tsconfck.js"
+      },
+      "engines": {
+        "node": "^18 || >=20"
+      },
+      "peerDependencies": {
+        "typescript": "^5.0.0"
+      },
+      "peerDependenciesMeta": {
+        "typescript": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/vite/node_modules/@esbuild/aix-ppc64": {
       "version": "0.27.7",
       "resolved": "https://registry.npmjs.org/@esbuild/aix-ppc64/-/aix-ppc64-0.27.7.tgz",
diff --git a/package.json b/package.json
index 6b023ee7c1..9ff74ad894 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
     "ts-node": "^10.9.2",
     "vite-tsconfig-paths": "^6.1.1",
     "vitest": "^3.2.4",
-    "typescript": "^5.9.3",
+    "typescript": "^6.0.2",
     "typescript-eslint": "^8.57.2"
   },
   "dependencies": {
diff --git a/packages/postDatedLambda/tests/testUtils.ts b/packages/postDatedLambda/tests/testUtils.ts
index 2f172efa8b..fa5ea8964f 100644
--- a/packages/postDatedLambda/tests/testUtils.ts
+++ b/packages/postDatedLambda/tests/testUtils.ts
@@ -1,4 +1,4 @@
-import {NotifyDataItem} from "packages/common/commonTypes/lib/src"
+import {NotifyDataItem} from "@psu-common/commonTypes"
 
 export function createMockPostModifiedDataItem(overrides: Partial<NotifyDataItem>): NotifyDataItem {
   return {
diff --git a/tsconfig.defaults.json b/tsconfig.defaults.json
index be87c446ac..d80ea16e79 100644
--- a/tsconfig.defaults.json
+++ b/tsconfig.defaults.json
@@ -7,14 +7,16 @@
     "sourceMap": true,
     "composite": true,
     "strict": true,
-    "moduleResolution": "node",
+    "types": [
+      "node"
+    ],
+    "moduleResolution": "bundler",
     "esModuleInterop": true,
     "skipLibCheck": true,
     "forceConsistentCasingInFileNames": true,
     "preserveConstEnums": true,
     "resolveJsonModule": true,
     "allowJs": true,
-    "baseUrl": ".",
     "paths": {
       "@psu-common/commonTypes": [
         "./packages/common/commonTypes/src/*"