diff --git a/app/nlp-requirements.txt b/app/nlp-requirements.txt
index 9dc4a66..2491de6 100644
--- a/app/nlp-requirements.txt
+++ b/app/nlp-requirements.txt
@@ -1,5 +1,5 @@
 keras==3.13.1
-nltk==3.9.1
+nltk==3.9.4
 numpy==2.1.3
 pyarrow==20.0.0
 safetensors==0.5.3