diff --git a/pyproject.toml b/pyproject.toml
index 8ae72f0e..346e6eaa 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -160,7 +160,7 @@ setuptools = "^67.6.1"
 [tool.poetry.extras]
 llms = ["anthropic", "cohere", "openai", "nlpcloud", "huggingface_hub", "manifest-ml", "torch", "transformers"]
 qdrant = ["qdrant-client"]
-openai = ["openai"]
+openai = ["openai", "tiktoken"]
 cohere = ["cohere"]
 in_memory_store = ["docarray"]
 hnswlib = ["docarray", "protobuf", "hnswlib"]