diff --git a/requirements.txt b/requirements.txt
index 7f2fe19f2a..2fb8b73cb6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -167,7 +167,7 @@ natsort==8.4.0
 nest-asyncio==1.6.0
 networkx==3.2.1
 ninja==1.11.1.1
-nltk==3.9
+nltk==3.9.1
 nncf==2.13.0
 nodeenv==1.9.1
 NudeNet==2.0.9
diff --git a/setup.cfg b/setup.cfg
index fe0f297294..8033413278 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -48,7 +48,7 @@ install_requires=
     pyarrow-hotfix~=0.6  # Hotfix for CVE-2023-47248
 
     # Basic metrics
-    nltk>=3.7,<4.0  # See https://github.com/stanford-crfm/helm/issues/2926
+    nltk>=3.9.1,<4.0  # See https://github.com/stanford-crfm/helm/issues/2926
     rouge-score~=0.1.2
     scipy~=1.10
     uncertainty-calibration~=0.1.4