diff --git a/requirements-lock.txt b/requirements-lock.txt
index 16b3f43..73fa2b9 100644
--- a/requirements-lock.txt
+++ b/requirements-lock.txt
@@ -57,7 +57,7 @@ markdown-it-py==3.0.0
 MarkupSafe==2.1.5
 mdurl==0.1.2
 multidict==6.0.5
-nltk==3.8.1
+nltk==3.9
 openai==1.37.1
 opentelemetry-api==1.26.0
 opentelemetry-exporter-otlp-proto-common==1.26.0