diff --git a/src/requirements.txt b/src/requirements.txt
index 5f62451..40b2ed6 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -4,7 +4,7 @@ certifi==2018.11.29
 chardet==3.0.4
 feedparser==5.2.1
 idna==2.8
-nltk==3.4
+nltk==3.4.5
 numpy==1.16.2
 oauthlib==3.0.1
 pandas==0.24.1