diff --git a/requirements.txt b/requirements.txt
index 4db3d83..0d8d3d6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ Keras==2.2.4
 ipython==7.3.0
 Pillow==5.4.1
 python-dotenv==0.10.1
-PyYAML==3.13
+PyYAML==5.1
 matplotlib>=3.1.0
 umap-learn==0.3.10
 bokeh==0.13.0