diff --git a/libs/community/langchain_community/utilities/arxiv.py b/libs/community/langchain_community/utilities/arxiv.py
index 5a728f5e2c..832332266d 100644
--- a/libs/community/langchain_community/utilities/arxiv.py
+++ b/libs/community/langchain_community/utilities/arxiv.py
@@ -118,6 +118,7 @@ class ArxivAPIWrapper(BaseModel):
             Document(
                 page_content=result.summary,
                 metadata={
+                    "Entry ID": result.entry_id,
                     "Published": result.updated.date(),
                     "Title": result.title,
                     "Authors": ", ".join(a.name for a in result.authors),