diff --git a/core_backend/requirements.txt b/core_backend/requirements.txt
index 46b24b267..6c82a50ff 100644
--- a/core_backend/requirements.txt
+++ b/core_backend/requirements.txt
@@ -35,5 +35,5 @@ termcolor==2.5.0
 langchain==0.3.26
 langchain-community==0.3.27
 langchain-core==0.3.66
-langchain-text-splitters==0.3.8
+langchain-text-splitters==1.0.0a1
 mistralai==1.6.0