diff --git a/apps/web/tsconfig.json b/apps/web/tsconfig.json
index f9ca9f15ff11ac..fd5c6968b09e64 100644
--- a/apps/web/tsconfig.json
+++ b/apps/web/tsconfig.json
@@ -16,6 +16,7 @@
       }
     ],
     "strictNullChecks": true,
+    "emitDecoratorMetadata": true,
     "experimentalDecorators": true
   },
   "include": [
diff --git a/package.json b/package.json
index 555af04a33ba8d..978b30fe1667a7 100644
--- a/package.json
+++ b/package.json
@@ -89,6 +89,7 @@
     "@testing-library/react": "^16.0.1",
     "@types/jsdom": "^21.1.3",
     "@types/jsonwebtoken": "^9.0.3",
+    "@types/reflect-metadata": "^0.1.0",
     "@vitest/ui": "^2.1.1",
     "c8": "^7.13.0",
     "checkly": "latest",
@@ -117,6 +118,8 @@
     "@vercel/functions": "^1.4.0",
     "city-timezones": "^1.2.1",
     "eslint": "^8.34.0",
+    "inversify": "^6.0.2",
+    "reflect-metadata": "^0.2.2",
     "turbo": "^1.10.1"
   },
   "resolutions": {
diff --git a/packages/di/package.json b/packages/di/package.json
index fc1c06b82457d2..694d8e48ba7809 100644
--- a/packages/di/package.json
+++ b/packages/di/package.json
@@ -4,6 +4,9 @@
   "authors": "zomars",
   "version": "1.0.0",
   "main": "index.ts",
+  "devDependencies": {
+    "@types/reflect-metadata": "^0.1.0"
+  },
   "dependencies": {
     "inversify": "^6.0.2",
     "reflect-metadata": "^0.2.2"
diff --git a/packages/trpc/tsconfig.json b/packages/trpc/tsconfig.json
index e75cc122266758..714dfaf2ad22ee 100644
--- a/packages/trpc/tsconfig.json
+++ b/packages/trpc/tsconfig.json
@@ -33,6 +33,7 @@
     "noEmit": false,
     "declaration": true,
     "emitDeclarationOnly": true,
+    "emitDecoratorMetadata": true,
     "experimentalDecorators": true,
     "declarationMap": false,
     "resolveJsonModule": true,
diff --git a/packages/tsconfig/base.json b/packages/tsconfig/base.json
index 067aae8043a1ec..931e1214b9b79f 100644
--- a/packages/tsconfig/base.json
+++ b/packages/tsconfig/base.json
@@ -5,6 +5,8 @@
     "composite": false,
     "declaration": true,
     "declarationMap": true,
+    "emitDecoratorMetadata": true,
+    "experimentalDecorators": true,
     "esModuleInterop": true,
     "forceConsistentCasingInFileNames": true,
     "inlineSources": false,
diff --git a/setupVitest.ts b/setupVitest.ts
index 5fdcc0be08791f..e82a7983afcc9f 100644
--- a/setupVitest.ts
+++ b/setupVitest.ts
@@ -1,3 +1,4 @@
+import "reflect-metadata";
 import matchers from "@testing-library/jest-dom/matchers";
 import ResizeObserver from "resize-observer-polyfill";
 import { vi, expect } from "vitest";
diff --git a/vitest.config.ts b/vitest.config.ts
index 1cd76c39835d1a..6fca7c02c0e094 100644
--- a/vitest.config.ts
+++ b/vitest.config.ts
@@ -9,6 +9,7 @@ export default defineConfig({
     },
     passWithNoTests: true,
     testTimeout: 500000,
+    setupFiles: ["setupVitest.ts"],
   },
 });
 
diff --git a/yarn.lock b/yarn.lock
index 8d677c97922313..e433811b848047 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3905,10 +3905,11 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@calcom/di@workspace:packages/di":
+"@calcom/di@*, @calcom/di@workspace:packages/di":
   version: 0.0.0-use.local
   resolution: "@calcom/di@workspace:packages/di"
   dependencies:
+    "@types/reflect-metadata": ^0.1.0
     inversify: ^6.0.2
     reflect-metadata: ^0.2.2
   languageName: unknown
@@ -4137,6 +4138,7 @@ __metadata:
   resolution: "@calcom/features@workspace:packages/features"
   dependencies:
     "@calcom/dayjs": "*"
+    "@calcom/di": "*"
     "@calcom/lib": "*"
     "@calcom/trpc": "*"
     "@calcom/ui": "*"
@@ -16103,6 +16105,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@types/reflect-metadata@npm:^0.1.0":
+  version: 0.1.0
+  resolution: "@types/reflect-metadata@npm:0.1.0"
+  dependencies:
+    reflect-metadata: "*"
+  checksum: 9325a43186aafdf72f14977bdaed95b4a40005a919c8a96622de14bb2f2dbf41d9882e50bfcff4169f9a00df0d9dcee931fdd999d15776f8e5485fba40ff5b99
+  languageName: node
+  linkType: hard
+
 "@types/remove-markdown@npm:^0.3.1":
   version: 0.3.1
   resolution: "@types/remove-markdown@npm:0.3.1"
@@ -19514,6 +19525,7 @@ __metadata:
     "@testing-library/react": ^16.0.1
     "@types/jsdom": ^21.1.3
     "@types/jsonwebtoken": ^9.0.3
+    "@types/reflect-metadata": ^0.1.0
     "@vercel/functions": ^1.4.0
     "@vitest/ui": ^2.1.1
     c8: ^7.13.0
@@ -19523,6 +19535,7 @@ __metadata:
     eslint: ^8.34.0
     husky: ^8.0.0
     i18n-unused: ^0.13.0
+    inversify: ^6.0.2
     jest-diff: ^29.5.0
     jest-summarizing-reporter: ^1.1.4
     jsdom: ^22.0.0
@@ -19532,6 +19545,7 @@ __metadata:
     node-ical: ^0.16.1
     prettier: ^2.8.6
     prismock: ^1.21.1
+    reflect-metadata: ^0.2.2
     resize-observer-polyfill: ^1.5.1
     tsc-absolute: ^1.0.0
     turbo: ^1.10.1
@@ -37298,6 +37312,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"reflect-metadata@npm:*, reflect-metadata@npm:^0.2.2":
+  version: 0.2.2
+  resolution: "reflect-metadata@npm:0.2.2"
+  checksum: a66c7b583e4efdd8f3c3124fbff33da2d0c86d8280617516308b32b2159af7a3698c961db3246387f56f6316b1d33a608f39bb2b49d813316dfc58f6d3bf3210
+  languageName: node
+  linkType: hard
+
 "reflect-metadata@npm:0.2.1, reflect-metadata@npm:^0.2.1":
   version: 0.2.1
   resolution: "reflect-metadata@npm:0.2.1"
@@ -37312,13 +37333,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"reflect-metadata@npm:^0.2.2":
-  version: 0.2.2
-  resolution: "reflect-metadata@npm:0.2.2"
-  checksum: a66c7b583e4efdd8f3c3124fbff33da2d0c86d8280617516308b32b2159af7a3698c961db3246387f56f6316b1d33a608f39bb2b49d813316dfc58f6d3bf3210
-  languageName: node
-  linkType: hard
-
 "reflect.getprototypeof@npm:^1.0.4":
   version: 1.0.5
   resolution: "reflect.getprototypeof@npm:1.0.5"