diff --git a/requirements.txt b/requirements.txt
index 7ba0b52..88a7510 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,3 +3,4 @@ pygpt4all==1.1.0
 chromadb==0.3.22
 llama-cpp-python==0.1.48
 urllib3==1.26.6
+pdfminer.six==20221105