diff --git a/packages/app-store/caldavcalendar/package.json b/packages/app-store/caldavcalendar/package.json
index cb4aa37b4f..ec4bd942ff 100644
--- a/packages/app-store/caldavcalendar/package.json
+++ b/packages/app-store/caldavcalendar/package.json
@@ -8,8 +8,12 @@
   "dependencies": {
     "@calcom/lib": "workspace:*",
     "@calcom/prisma": "workspace:*",
-    "@calcom/ui": "workspace:*",
-    "react-hook-form": "7.43.3"
+    "@calcom/ui": "workspace:*"
+  },
+  "peerDependencies": {
+    "react": "^18.0.0 || ^19.0.0",
+    "react-dom": "^18.0.0 || ^19.0.0",
+    "react-hook-form": "^7.0.0"
   },
   "devDependencies": {
     "@calcom/types": "workspace:*"
diff --git a/packages/app-store/exchange2013calendar/package.json b/packages/app-store/exchange2013calendar/package.json
index ecf74781b4..5889ce6f74 100644
--- a/packages/app-store/exchange2013calendar/package.json
+++ b/packages/app-store/exchange2013calendar/package.json
@@ -8,8 +8,12 @@
     "@calcom/lib": "workspace:*",
     "@calcom/prisma": "workspace:*",
     "@calcom/ui": "workspace:*",
-    "ews-javascript-api": "0.11.0",
-    "react-hook-form": "7.43.3"
+    "ews-javascript-api": "0.11.0"
+  },
+  "peerDependencies": {
+    "react": "^18.0.0 || ^19.0.0",
+    "react-dom": "^18.0.0 || ^19.0.0",
+    "react-hook-form": "^7.0.0"
   },
   "devDependencies": {
     "@calcom/types": "workspace:*"
diff --git a/packages/app-store/exchange2016calendar/package.json b/packages/app-store/exchange2016calendar/package.json
index e5cdd9d876..96ce4e7f70 100644
--- a/packages/app-store/exchange2016calendar/package.json
+++ b/packages/app-store/exchange2016calendar/package.json
@@ -8,8 +8,12 @@
     "@calcom/lib": "workspace:*",
     "@calcom/prisma": "workspace:*",
     "@calcom/ui": "workspace:*",
-    "ews-javascript-api": "0.11.0",
-    "react-hook-form": "7.43.3"
+    "ews-javascript-api": "0.11.0"
+  },
+  "peerDependencies": {
+    "react": "^18.0.0 || ^19.0.0",
+    "react-dom": "^18.0.0 || ^19.0.0",
+    "react-hook-form": "^7.0.0"
   },
   "devDependencies": {
     "@calcom/types": "workspace:*"
diff --git a/packages/app-store/ics-feedcalendar/package.json b/packages/app-store/ics-feedcalendar/package.json
index 119b2f612e..11aedb0142 100644
--- a/packages/app-store/ics-feedcalendar/package.json
+++ b/packages/app-store/ics-feedcalendar/package.json
@@ -7,8 +7,12 @@
   "dependencies": {
     "@calcom/lib": "workspace:*",
     "@calcom/prisma": "workspace:*",
-    "@calcom/ui": "workspace:*",
-    "react-hook-form": "7.43.3"
+    "@calcom/ui": "workspace:*"
+  },
+  "peerDependencies": {
+    "react": "^18.0.0 || ^19.0.0",
+    "react-dom": "^18.0.0 || ^19.0.0",
+    "react-hook-form": "^7.0.0"
   },
   "devDependencies": {
     "@calcom/types": "workspace:*"
diff --git a/packages/app-store/package.json b/packages/app-store/package.json
index 3e37261ef8..ff67095fc9 100644
--- a/packages/app-store/package.json
+++ b/packages/app-store/package.json
@@ -24,8 +24,13 @@
     "@calcom/zoomvideo": "workspace:*",
     "lodash": "4.17.21",
     "qs-stringify": "1.2.1",
-    "react-i18next": "12.3.1",
-    "stripe": "9.16.0"
+    "react-i18next": "12.3.1"
+  },
+  "peerDependencies": {
+    "react": "^18.0.0 || ^19.0.0",
+    "react-dom": "^18.0.0 || ^19.0.0",
+    "stripe": "^9.0.0 || ^15.0.0",
+    "zod": "^3.0.0"
   },
   "devDependencies": {
     "@calcom/eslint-config": "workspace:*",
diff --git a/packages/coss-ui/package.json b/packages/coss-ui/package.json
index be78fb6213..a9be112342 100644
--- a/packages/coss-ui/package.json
+++ b/packages/coss-ui/package.json
@@ -22,6 +22,10 @@
     "lucide-react": "0.555.0",
     "tailwind-merge": "3.4.0"
   },
+  "peerDependencies": {
+    "react": "^18.0.0 || ^19.0.0",
+    "react-dom": "^18.0.0 || ^19.0.0"
+  },
   "devDependencies": {
     "ts-node": "10.9.2",
     "tsc-absolute": "1.0.0",
diff --git a/packages/emails/package.json b/packages/emails/package.json
index ec14bf2f32..64af5b257c 100644
--- a/packages/emails/package.json
+++ b/packages/emails/package.json
@@ -9,10 +9,12 @@
   "dependencies": {
     "@calcom/dayjs": "workspace:*",
     "@calcom/lib": "workspace:*",
-    "react": "18.2.0",
-    "react-dom": "18.2.0",
     "rrule": "2.7.1"
   },
+  "peerDependencies": {
+    "react": "^18.0.0 || ^19.0.0",
+    "react-dom": "^18.0.0 || ^19.0.0"
+  },
   "devDependencies": {
     "@calcom/tsconfig": "workspace:*",
     "@calcom/types": "workspace:*"
diff --git a/packages/features/ee/package.json b/packages/features/ee/package.json
index ea1088dd7d..02b069dd24 100644
--- a/packages/features/ee/package.json
+++ b/packages/features/ee/package.json
@@ -16,6 +16,11 @@
     "twilio": "3.84.1",
     "zod": "3.25.76"
   },
+  "peerDependencies": {
+    "react": "^18.0.0 || ^19.0.0",
+    "react-dom": "^18.0.0 || ^19.0.0",
+    "react-hook-form": "^7.0.0"
+  },
   "devDependencies": {
     "@calcom/tsconfig": "workspace:*"
   }
diff --git a/packages/features/package.json b/packages/features/package.json
index a53580a257..85c71bd461 100644
--- a/packages/features/package.json
+++ b/packages/features/package.json
@@ -35,8 +35,9 @@
     "zustand": "4.5.2"
   },
   "peerDependencies": {
-    "react": "18.2.0",
-    "react-dom": "18.2.0",
+    "next": ">=14.0.0",
+    "react": "^18.0.0 || ^19.0.0",
+    "react-dom": "^18.0.0 || ^19.0.0",
     "react-is": "^18.2.0",
     "stripe": "^9.0.0 || ^15.0.0",
     "zod": "^3.0.0"
diff --git a/packages/platform/libraries/package.json b/packages/platform/libraries/package.json
index 9a2433380b..110ea7a29c 100644
--- a/packages/platform/libraries/package.json
+++ b/packages/platform/libraries/package.json
@@ -20,6 +20,12 @@
     "@calcom/features": "workspace:*",
     "@calcom/lib": "workspace:*"
   },
+  "peerDependencies": {
+    "react": "^18.0.0 || ^19.0.0",
+    "react-dom": "^18.0.0 || ^19.0.0",
+    "stripe": "^9.0.0 || ^15.0.0",
+    "zod": "^3.0.0"
+  },
   "devDependencies": {
     "@types/node": "20.17.23",
     "@vitejs/plugin-react": "4.2.1",
diff --git a/packages/trpc/package.json b/packages/trpc/package.json
index 2d09da1162..eeaaa472f2 100644
--- a/packages/trpc/package.json
+++ b/packages/trpc/package.json
@@ -14,7 +14,6 @@
     "build:react": "yarn tsc --project tsconfig.react.json"
   },
   "dependencies": {
-    "@tanstack/react-query": "5.17.19",
     "@trpc/client": "11.0.0-next-beta.222",
     "@trpc/next": "11.0.0-next-beta.222",
     "@trpc/react-query": "11.0.0-next-beta.222",
@@ -25,12 +24,14 @@
     "zod": "3.25.76"
   },
   "peerDependencies": {
+    "@tanstack/react-query": "^5.0.0",
     "next": ">=14.0.0",
     "react": "^18.0.0 || ^19.0.0",
     "react-dom": "^18.0.0 || ^19.0.0"
   },
   "devDependencies": {
     "@calcom/eslint-config": "workspace:*",
+    "@tanstack/react-query": "5.17.19",
     "@types/cookie": "0.6.0",
     "@types/uuid": "8.3.4",
     "typescript": "5.9.2"
diff --git a/packages/ui/package.json b/packages/ui/package.json
index 421f625db0..409c00b2b4 100644
--- a/packages/ui/package.json
+++ b/packages/ui/package.json
@@ -93,7 +93,6 @@
     "@radix-ui/react-slider": "1.2.2",
     "@storybook/blocks": "7.6.3",
     "@storybook/react": "7.6.3",
-    "@tanstack/react-query": "5.17.19",
     "@tanstack/react-table": "8.20.6",
     "@wojtekmaj/react-daterange-picker": "3.4.0",
     "class-variance-authority": "0.4.0",
@@ -103,7 +102,6 @@
     "date-fns": "3.6.0",
     "downshift": "6.1.9",
     "lexical": "0.9.0",
-    "react": "18.2.0",
     "react-colorful": "5.6.1",
     "react-day-picker": "8.10.1",
     "react-easy-crop": "5.0.0",
@@ -116,7 +114,9 @@
     "zod": "3.25.76"
   },
   "peerDependencies": {
-    "react-dom": "18.2.0"
+    "@tanstack/react-query": "^5.0.0",
+    "react": "^18.0.0 || ^19.0.0",
+    "react-dom": "^18.0.0 || ^19.0.0"
   },
   "devDependencies": {
     "@calcom/config": "workspace:*",