diff --git a/FlaskWebProject2/requirements.txt b/FlaskWebProject2/requirements.txt
index 7b00293..a3f193a 100644
--- a/FlaskWebProject2/requirements.txt
+++ b/FlaskWebProject2/requirements.txt
@@ -55,7 +55,7 @@ pylint==1.8.1
 pyparsing==2.2.0
 python-dateutil==2.6.1
 pytz==2017.2
-PyYAML==3.12
+PyYAML==5.4
 pyzmq==16.0.2
 qtconsole==4.3.1
 rake-nltk==1.0.2