diff --git a/project5-NLP_on_financial_statements/requirements.txt b/project5-NLP_on_financial_statements/requirements.txt
index fbd3534..28e041a 100644
--- a/project5-NLP_on_financial_statements/requirements.txt
+++ b/project5-NLP_on_financial_statements/requirements.txt
@@ -1,5 +1,5 @@
 alphalens==0.3.2
-nltk==3.3.0
+nltk==3.4.5
 numpy==1.13.3
 ratelimit==2.2.0
 requests==2.18.4