diff --git a/backend/requirements.txt b/backend/requirements.txt
index 03eeba2a1eb..719ba811f7e 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -75,7 +75,7 @@ fpdf2==2.8.2
 pymdown-extensions==10.14.2
 docx2txt==0.8
 python-pptx==1.0.2
-unstructured==0.16.17
+unstructured==0.18.18
 nltk==3.9.1
 Markdown==3.8.2
 pypandoc==1.15