diff --git a/application/single_app/requirements.txt b/application/single_app/requirements.txt
index 48aa0877..f7c58867 100644
--- a/application/single_app/requirements.txt
+++ b/application/single_app/requirements.txt
@@ -37,7 +37,7 @@ pypdf==6.9.2
 python-docx==1.1.2
 flask-executor==1.0.0
 PyMuPDF==1.25.3
-langchain-text-splitters==0.3.9
+langchain-text-splitters==1.1.2
 beautifulsoup4==4.13.3
 openpyxl==3.1.5
 xlrd==2.0.1