diff --git a/python/packages/autogen-studio/pyproject.toml b/python/packages/autogen-studio/pyproject.toml
index 5fa6676198a6..e1d812b5c34e 100644
--- a/python/packages/autogen-studio/pyproject.toml
+++ b/python/packages/autogen-studio/pyproject.toml
@@ -35,7 +35,8 @@ dependencies = [
     "pyyaml",
     "autogen-core==0.4.0",
     "autogen-agentchat==0.4.0",
-    "autogen-ext[magentic-one]==0.4.0"
+    "autogen-ext[magentic-one]==0.4.0",
+    "tiktoken"
 ]
 optional-dependencies = {web = ["fastapi", "uvicorn"], database = ["psycopg"]}