diff --git a/notebooks/techniques/retrieval_strategies_mongodb_llamaindex.ipynb b/notebooks/techniques/retrieval_strategies_mongodb_llamaindex.ipynb
index e458959..fa5dc0d 100644
--- a/notebooks/techniques/retrieval_strategies_mongodb_llamaindex.ipynb
+++ b/notebooks/techniques/retrieval_strategies_mongodb_llamaindex.ipynb
@@ -53,7 +53,7 @@
         }
       ],
       "source": [
-        "!pip install -qU pymongo llama-index llama-index-llms-openai llama-index-vector-stores-mongodb datasets"
+        "!pip install -qU pymongo llama-index llama-index-llms-openai llama-index-vector-stores-mongodb datasets openai"
       ]
     },
     {