diff --git a/requirements.txt b/requirements.txt
index 16ffe28..c8f004c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ bert_score==0.3.13
 
 # Extra Tools
 pyyaml==6.0.1
-nltk==3.8.1
+nltk==3.9
 rouge_score==0.1.2
 wandb==0.16.4
 hydra-core==1.3.2