diff --git a/openml_requirements.txt b/openml_requirements.txt
index 4748e3a..cda7fb9 100644
--- a/openml_requirements.txt
+++ b/openml_requirements.txt
@@ -29,7 +29,7 @@ pkg-resources==0.0.0
 pyparsing==2.2.0
 python-dateutil==2.7.3
 pytz==2018.5
-PyYAML==4.2b1
+PyYAML==5.4
 requests==2.20.0
 rfc3986==1.1.0
 scikit-learn==0.20.3