diff --git a/requirements.txt b/requirements.txt
index 49a4b66..e0a3ac4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -43,7 +43,7 @@ python-Levenshtein==0.12.0
 pytz==2019.3
 pyvis==0.1.7.0
 pyviz-comms==0.7.4
-PyYAML==5.3.1
+PyYAML==5.4
 requests==2.23.0
 requests-oauthlib==1.3.0
 requests-toolbelt==0.9.1