diff --git a/requirements.txt b/requirements.txt
index 474eab8..811b337 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ pylint==1.7.4
 pytest==3.2.3
 python-magic==0.4.13
 pytz==2017.3
-PyYAML==3.12
+PyYAML==5.4
 requests==2.18.4
 six==1.11.0
 snowballstemmer==1.2.1