diff --git a/requirements.txt b/requirements.txt
index ef90aca..d61a51d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 pandas==0.24.1
-pyyaml==5.1.1
+pyyaml==5.4
 scikit-learn==0.21.2
 sklearn-pandas==1.8.0
\ No newline at end of file