diff --git a/eval/service.py b/eval/service.py
index 88ce1fc0c..428d00248 100644
--- a/eval/service.py
+++ b/eval/service.py
@@ -57,10 +57,7 @@ from uuid import UUID
 import anyio
 import psutil
 import requests
-from browserbase import Browserbase
 from dotenv import load_dotenv
-from hyperbrowser import AsyncHyperbrowser
-from hyperbrowser.models import CreateSessionParams
 from lmnr import AsyncLaminarClient, Laminar, observe
 from PIL import Image
 from pydantic import BaseModel
@@ -154,6 +151,13 @@ def create_browserbase_session() -> str:
 	if not BROWSERBASE_API_KEY or not BROWSERBASE_PROJECT_ID:
 		raise ValueError('BROWSERBASE_API_KEY and BROWSERBASE_PROJECT_ID must be set')
 
+	try:
+		from browserbase import Browserbase
+	except ImportError:
+		raise ImportError(
+			'browserbase package is required for Browserbase functionality. Install it with: pip install browserbase'
+		)
+
 	try:
 		bb = Browserbase(api_key=BROWSERBASE_API_KEY)
 		session = bb.sessions.create(
@@ -173,6 +177,14 @@ async def create_hyperbrowser_session() -> str:
 	if not HYPERBROWSER_API_KEY:
 		raise ValueError('HYPERBROWSER_API_KEY must be set')
 
+	try:
+		from hyperbrowser import AsyncHyperbrowser
+		from hyperbrowser.models import CreateSessionParams
+	except ImportError:
+		raise ImportError(
+			'hyperbrowser package is required for Hyperbrowser functionality. Install it with: pip install hyperbrowser'
+		)
+
 	try:
 		client = AsyncHyperbrowser(api_key=HYPERBROWSER_API_KEY)