diff --git a/src/models/baseline3/requirements.txt b/src/models/baseline3/requirements.txt
index b09295f..5d3cefc 100644
--- a/src/models/baseline3/requirements.txt
+++ b/src/models/baseline3/requirements.txt
@@ -21,7 +21,7 @@ Markdown==3.0.1
 matplotlib==2.2.3
 mock==2.0.0
 Models==1.0
-nltk==3.4
+nltk==3.4.5
 numpy==1.15.2
 pandas==0.23.4
 pbr==5.1.1