diff --git a/sdks/python/container/py313/base_image_requirements.txt b/sdks/python/container/py313/base_image_requirements.txt
index 34a40461670e..6759bff392bd 100644
--- a/sdks/python/container/py313/base_image_requirements.txt
+++ b/sdks/python/container/py313/base_image_requirements.txt
@@ -119,7 +119,7 @@ mmh3==5.2.1
 mock==5.2.0
 more-itertools==11.1.0
 multidict==6.7.1
-nltk==3.10.3
+nltk==3.10.4
 numpy==2.4.6
 oauth2client==4.1.3
 objsize==0.7.1