diff --git a/backend/smartnpc/data/requirements.txt b/backend/smartnpc/data/requirements.txt
index 8f06bda..7367455 100644
--- a/backend/smartnpc/data/requirements.txt
+++ b/backend/smartnpc/data/requirements.txt
@@ -1222,9 +1222,9 @@ nest-asyncio==1.6.0 \
     --hash=sha256:6f172d5449aca15afd6c646851f4e31e02c598d553a667e38cafa997cfec55fe \
     --hash=sha256:87af6efd6b5e897c81050477ef65c62e2b2f35d51703cae01aff2905b1852e1c
     # via unstructured-client
-nltk==3.9.1 \
-    --hash=sha256:4fa26829c5b00715afe3061398a8989dc643b92ce7dd93fb4585a70930d168a1 \
-    --hash=sha256:87d127bd3de4bd89a4f81265e5fa59cb1b199b27440175370f7417d2bc7ae868
+nltk==3.9.3 \
+    --hash=sha256:60b3db6e9995b3dd976b1f0fa7dec22069b2677e759c28eb69b62ddd44870522 \
+    --hash=sha256:cb5945d6424a98d694c2b9a0264519fab4363711065a46aa0ae7a2195b92e71f
     # via unstructured
 numpy==2.1.3 \
     --hash=sha256:016d0f6f5e77b0f0d45d77387ffa4bb89816b57c835580c3ce8e099ef830befe \