diff --git a/requirements-dev.txt b/requirements-dev.txt
index 60911db..49b77d8 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -106,7 +106,7 @@ langchain-core==0.3.31 ; python_version >= "3.10" and python_version < "3.13"
 langchain-experimental==0.3.4 ; python_version >= "3.10" and python_version < "3.13"
 langchain-ibm==0.3.5 ; python_version >= "3.10" and python_version < "3.13"
 langchain-openai==0.2.14 ; python_version >= "3.10" and python_version < "3.13"
-langchain-text-splitters==0.3.5 ; python_version >= "3.10" and python_version < "3.13"
+langchain-text-splitters==0.3.9 ; python_version >= "3.10" and python_version < "3.13"
 langchain==0.3.15 ; python_version >= "3.10" and python_version < "3.13"
 langgraph-checkpoint==2.0.16 ; python_version >= "3.10" and python_version < "3.13"
 langgraph-sdk==0.1.53 ; python_version >= "3.10" and python_version < "3.13"