diff --git a/services/docreader/requirements.txt b/services/docreader/requirements.txt
index d610c04cd..7fd61e4d7 100644
--- a/services/docreader/requirements.txt
+++ b/services/docreader/requirements.txt
@@ -22,6 +22,7 @@ textract
 antiword
 openai
 ollama
+pdfplumber
 
 --extra-index-url https://www.paddlepaddle.org.cn/packages/stable/cpu/
 paddlepaddle==3.0.0