diff --git a/requirements.txt b/requirements.txt
index 430d047..3925bb7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,7 +28,7 @@ pydantic==1.2
 pygments==2.5.2           # via ipython
 python-dateutil==2.8.1    # via pandas
 pytz==2019.3              # via pandas
-pyyaml==5.2
+pyyaml==5.4
 requests==2.22.0
 scikit-learn==0.22
 scipy==1.3.3