diff --git a/RandLA-Net-[4,4,4,2,2]/helper_requirements.txt b/RandLA-Net-[4,4,4,2,2]/helper_requirements.txt
index c6ef57e..2707286 100644
--- a/RandLA-Net-[4,4,4,2,2]/helper_requirements.txt
+++ b/RandLA-Net-[4,4,4,2,2]/helper_requirements.txt
@@ -5,4 +5,4 @@ open3d-python==0.3.0
 pandas==0.25.3
 scikit-learn==0.21.3
 scipy==1.4.1
-PyYAML==5.1.2
+PyYAML==5.4