Update requirements.txt (#1634)

Liangyx2 · web-flow · commit c263d09f0899 · 2024-07-10T13:30:22.000+08:00
Signed-off-by: Liangyx2 &lt;yuxiang.liang@intel.com&gt;
diff --git a/intel_extension_for_transformers/neural_chat/pipeline/plugins/retrieval/requirements.txt b/intel_extension_for_transformers/neural_chat/pipeline/plugins/retrieval/requirements.txt
@@ -9,6 +9,7 @@ langchain_core==0.1.35
 langid
 markdown
 openpyxl
+protobuf==3.20
 PyMuPDF
 python-docx
 qdrant-client==1.9.0
