diff --git a/requirements.txt b/requirements.txt
index a4982a4..eef8bba 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,4 +4,5 @@ botocore~=1.29.123
 adal~=1.2.7
 requests~=2.31.0
 langchain_openai
-langchain
\ No newline at end of file
+langchain
+langchain-text-splitters>=0.3.9 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file